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CVE archive

June 2021

Browse CVE records published in June 2021, with severity, affected products, CWE, KEV, and source-backed vulnerability context.

Showing 50 of 1730 matching CVEs · Page 3 of 35.

Medium · CVSS 6.3

CVE-2021-4366: PWA for WP & AMP < = 1.7.32 - Missing Authorization

The PWA for WP & AMP plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the pwaforwp_update_features_options function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to change the otherwise restricted settings within the plugin.

Published Jun 7, 2023 · Updated Apr 8, 2026

Medium · CVSS 6.4

CVE-2021-4367: Flo Forms – Easy Drag & Drop Form Builder <= 1.0.35 - Options Change to Stored Cross-Site Scripting

The Flo Forms – Easy Drag & Drop Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Options Change by using the flo_import_forms_options AJAX action in versions up to, and including, 1.0.35 due to insufficient input sanitization and output escaping along with missing capability checks. This makes it possible for authenticated attackers, like subscribers, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.9

CVE-2021-4360: Controlled Admin Access < 1.5.6 - Privilege Escalation

The Controlled Admin Access plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 1.5.5 by not properly restricting access to the configuration page. This makes it possible for attackers to create a new administrator role with unrestricted access.

Published Jun 7, 2023 · Updated Apr 8, 2026

Medium · CVSS 6.5

CVE-2021-4359: Frontend File Manager Plugin <= 18.2 - Unauthenticated Arbitrary Post Deletion

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary Post Deletion in versions up to, and including, 18.2. This is due to lacking authentication protections and lacking a security nonce on the wpfm_delete_file AJAX action. This makes it possible for unauthenticated attackers to delete any posts and pages on the site.

Published Jun 7, 2023 · Updated Apr 8, 2026

Medium · CVSS 6.1

CVE-2021-4363: WP Quick FrontEnd Editor <= 5.5 - Reflected Cross-Site Scripting

The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 5.5 due to insufficient input sanitization and output escaping on the 'save_content_front' function that uses print_r on the user-supplied $_REQUEST values . This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9

CVE-2021-4356: Frontend File Manager <= 18.2 - Unauthenticated Arbitrary File Download

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Download in versions up to, and including, 18.2. This is due to lacking authentication protections, capability checks, and sanitization, all on the wpfm_file_meta_update AJAX action. This makes it possible for unauthenticated attackers to download arbitrary files on the site, potentially leading to site takeover.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.1

CVE-2021-4357: uListing <= 1.6.6 - Unauthenticated Arbitrary Post/Page Deletion

The uListing plugin for WordPress is vulnerable to authorization bypass due to missing capability checks, and a missing security nonce, on the UlistingUserRole::save_role_api function in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to arbitrarily delete site posts and pages.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 7.2

CVE-2021-4358: WP DSGVO Tools (GDPR) <= 3.1.23 - Unauthenticated Stored Cross-Site Scripting

The WP DSGVO Tools (GDPR) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 3.1.23 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 7.5

CVE-2021-4355: Welcart e-Commerce < 2.2.8 - Missing Capabilities Check to Information Disclosure

The Welcart e-Commerce plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the download_orderdetail_list(), change_orderlist(), and download_member_list() functions called via admin_init hooks in versions up to, and including, 2.2.7. This makes it possible for unauthenticated attackers to download lists of members, products and orders.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 8.8

CVE-2021-4354: PWA for WP & AMP <= 1.7.32 - Arbitrary File Upload

The PWA for WP & AMP for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the pwaforwp_splashscreen_uploader function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Published Jun 7, 2023 · Updated Apr 8, 2026

Medium · CVSS 5.8

CVE-2021-4351: Frontend File Manager <= 18.2 - Unauthenticated Post Meta Change

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Post Meta Change in versions up to, and including, 18.2. This is due to lacking authentication protections, capability checks, and sanitization, all on the wpfm_file_meta_update AJAX action. This makes it possible for unauthenticated attackers to change the meta data of certain posts and pages.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 7.2

CVE-2021-4350: Frontend File Manager <= 18.2 - Unauthenticated HTML Injection leading to Spam Emails

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated HTML Injection in versions up to, and including, 18.2. This is due to lacking authentication protections on the wpfm_send_file_in_email AJAX action. This makes it possible for unauthenticated attackers to send emails using the site with a custom subject, recipient email, and body with unsanitized HTML content. This effectively lets the attacker use the site as a spam relay.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.8

CVE-2021-4346: uListing <= 1.6.6 - Unauthenticated Arbitrary Account Changes

The uListing plugin for WordPress is vulnerable to Unauthenticated Arbitrary Account Changes in versions up to, and including, 1.6.6. This is due to missing login checks on the stm_listing_profile_edit AJAX action. This makes it possible for unauthenticated attackers to edit any account on the blog, such as changing the admin account's email address.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.9

CVE-2021-4347: Advanced Shipment Tracking for WooCommerce <= 3.2.6 - Authenticated WordPress Options Change

The function update_shipment_status_email_status_fun in the plugin Advanced Shipment Tracking for WooCommerce in versions up to 3.2.6 is vulnerable to authenticated arbitrary options update. The function allows attackers (including those at customer level) to update any WordPress option in the database. Version 3.2.5 was initially released as a fix, but doesn't fully address the issue.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 7.5

CVE-2021-4348: Ultimate GDPR & CCPA <= 2.4 - Unauthenticated Settings Import & Export

The Ultimate GDPR & CCPA plugin for WordPress is vulnerable to unauthenticated settings import and export via the export_settings & import_settings functions in versions up to, and including, 2.4. This makes it possible for unauthenticated attackers to change plugin settings and conduct attacks such as redirecting visitors to malicious sites.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 8.8

CVE-2021-4349: Process Steps Template Designer <= 1.2.1 - Cross-Site Request Forgery

The Process Steps Template Designer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.2.1. This makes it possible for unauthenticated attackers to conduct unspecified attacks via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Published Jun 7, 2023 · Updated Apr 8, 2026

Medium · CVSS 6.4

CVE-2021-4344: Frontend File Manager <= 18.2 - Privilege Escalation

The Frontend File Manager plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 18.2. This is due to lacking mishandling the use of user IDs that is accessible by the visitor. This makes it possible for unauthenticated or authenticated attackers to access the information and privileges of other users, including 'guest users', in their own category (authenticated, or unauthenticated guests).

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.8

CVE-2021-4343: uListing <= 1.6.6 - Unauthenticated Arbitrary Account Creation

The Unauthenticated Account Creation plugin for WordPress is vulnerable to Unauthenticated Account Creation in versions up to, and including, 1.6.6. This is due to the stm_listing_register AJAX action function being accessible and taking roles unprotected. This makes it possible for unauthenticated attackers to create accounts, even those with administrator privileges.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.8

CVE-2021-4341: uListing <= 1.6.6 - Unauthenticated Wordpress Options Changes via AJAX

The uListing plugin for WordPress is vulnerable to authorization bypass via Ajax due to missing capability checks, missing input validation, and a missing security nonce in the stm_update_email_data AJAX action in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to change any WordPress option in the database.

Published Jun 7, 2023 · Updated Apr 8, 2026

Critical · CVSS 9.8

CVE-2021-4340: uListing <= 1.6.6 - Unauthenticated SQL Injection

The uListing plugin for WordPress is vulnerable to generic SQL Injection via the ‘listing_id’ parameter in versions up to, and including, 1.6.6 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 7.5

CVE-2021-4339: uListing <= 1.6.6 - Unauthenticated Information Disclosure

The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the "ulisting/includes/route.php" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.

Published Jun 7, 2023 · Updated Apr 8, 2026

Medium · CVSS 6.4

CVE-2021-4338: 404 to 301 <= 3.0.7 - Missing Authorization to Redirect Creation

The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect & save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.

Published Jun 7, 2023 · Updated Apr 8, 2026

High · CVSS 8.8

CVE-2021-4337: Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to read, edit, or delete WordPress settings, plugin settings, and to arbitrarily list all users on a WordPress website. The plugins impacted are: Product Filter for WooCommerce < 8.2.0, Improved Product Options for WooCommerce < 5.3.0, Improved Sale Badges for WooCommerce < 4.4.0, Share, Print and PDF Products for WooCommerce < 2.8.0, Product Loops for WooCommerce < 1.7.0, XforWooCommerce < 1.7.0, Package Quantity Discount < 1.2.0, Price Commander for WooCommerce < 1.3.0, Comment and Review Spam Control for WooCommerce < 1.5.0, Add Product Tabs for WooCommerce < 1.5.0, Autopilot SEO for WooCommerce < 1.6.0, Floating Cart < 1.3.0, Live Search for WooCommerce < 2.1.0, Bulk Add to Cart for WooCommerce < 1.3.0, Live Product Editor for WooCommerce < 4.7.0, and Warranties and Returns for WooCommerce < 5.3.0.

Published Jun 7, 2023 · Updated Apr 8, 2026

Unknown · CVSS Not scored

CVE-2021-20698: Sharp NEC Displays (UN462A R1.300 and prior to it, UN462VA R1.300 and prior to it, UN492S R1.300 and prior...

Sharp NEC Displays (UN462A R1.300 and prior to it, UN462VA R1.300 and prior to it, UN492S R1.300 and prior to it, UN492VS R1.300 and prior to it, UN552A R1.300 and prior to it, UN552S R1.300 and prior to it, UN552VS R1.300 and prior to it, UN552 R1.300 and prior to it, UN552V R1.300 and prior to it, UX552S R1.300 and prior to it, UX552 R1.300 and prior to it, V864Q R2.000 and prior to it, C861Q R2.000 and prior to it, P754Q R2.000 and prior to it, V754Q R2.000 and prior to it, C751Q R2.000 and prior to it, V984Q R2.000 and prior to it, C981Q R2.000 and prior to it, P654Q R2.000 and prior to it, V654Q R2.000 and prior to it, C651Q R2.000 and prior to it, V554Q R2.000 and prior to it, P404 R3.200 and prior to it, P484 R3.200 and prior to it, P554 R3.200 and prior to it, V404 R3.200 and prior to it, V484 R3.200 and prior to it, V554 R3.200 and prior to it, V404-T R3.200 and prior to it, V484-T R3.200 and prior to it, V554-T R3.200 and prior to it, C501 R2.000 and prior to it, C551 R2.000 and prior to it, C431 R2.000 and prior to it) allows an attacker to obtain root privileges and execute remote code by sending unintended parameters that contain specific characters in http request.

Published Jun 7, 2021 · Updated Dec 8, 2025

Unknown · CVSS Not scored

CVE-2021-20699: Sharp NEC Displays ((UN462A R1.300 and prior to it, UN462VA R1.300 and prior to it, UN492S R1.300 and prior...

Sharp NEC Displays ((UN462A R1.300 and prior to it, UN462VA R1.300 and prior to it, UN492S R1.300 and prior to it, UN492VS R1.300 and prior to it, UN552A R1.300 and prior to it, UN552S R1.300 and prior to it, UN552VS R1.300 and prior to it, UN552 R1.300 and prior to it, UN552V R1.300 and prior to it, UX552S R1.300 and prior to it, UX552 R1.300 and prior to it, V864Q R2.000 and prior to it, C861Q R2.000 and prior to it, P754Q R2.000 and prior to it, V754Q R2.000 and prior to it, C751Q R2.000 and prior to it, V984Q R2.000 and prior to it, C981Q R2.000 and prior to it, P654Q R2.000 and prior to it, V654Q R2.000 and prior to it, C651Q R2.000 and prior to it, V554Q R2.000 and prior to it, P404 R3.200 and prior to it, P484 R3.200 and prior to it, P554 R3.200 and prior to it, V404 R3.200 and prior to it, V484 R3.200 and prior to it, V554 R3.200 and prior to it, V404-T R3.200 and prior to it, V484-T R3.200 and prior to it, V554-T R3.200 and prior to it, C501 R2.000 and prior to it, C551 R2.000 and prior to it, C431 R2.000 and prior to it) allows an attacker a buffer overflow and to execute remote code by sending long parameters that contains specific characters in http request.

Published Jun 7, 2021 · Updated Dec 8, 2025

Unknown · CVSS Not scored

CVE-2021-41690: DCMTK through 3.6.6 does not handle memory free properly.

DCMTK through 3.6.6 does not handle memory free properly. The malloced memory for storing all file information are recorded in a global variable LST and are not freed properly. Sending specific requests to the dcmqrdb program can incur a memory leak. An attacker can use it to launch a DoS attack.

Published Jun 28, 2022 · Updated Nov 3, 2025

High · CVSS 7.5

CVE-2021-41689: DCMTK through 3.6.6 does not handle string copy properly.

DCMTK through 3.6.6 does not handle string copy properly. Sending specific requests to the dcmqrdb program, it would query its database and copy the result even if the result is null, which can incur a head-based overflow. An attacker can use it to launch a DoS attack.

Published Jun 28, 2022 · Updated Nov 3, 2025

Unknown · CVSS Not scored

CVE-2021-41688: DCMTK through 3.6.6 does not handle memory free properly.

DCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.

Published Jun 28, 2022 · Updated Nov 3, 2025

Unknown · CVSS Not scored

CVE-2021-41687: DCMTK through 3.6.6 does not handle memory free properly.

DCMTK through 3.6.6 does not handle memory free properly. The program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the memory leak. An attacker can use it to launch a DoS attack.

Published Jun 28, 2022 · Updated Nov 3, 2025