Security readout for executives and security teams
Plain-English summary
CVE-2021-38352 is a reflected cross-site scripting issue in the Feedify Web Push Notifications WordPress plugin through version 2.1.8. An attacker could lure a user to a crafted URL and run script in that user’s browser context. This is meaningful for sites using the plugin, but it requires user interaction.
Executive priority
Treat this as a moderate web risk for WordPress properties. Prioritize affected public sites, especially those with authenticated users or administrative sessions likely to browse links while logged in.
Technical view
The issue is CWE-79 reflected XSS via the feedify_msg parameter in includes/base.php. The CVSS 3.1 score is 6.1 with network access, low complexity, no privileges, required user interaction, changed scope, and low confidentiality and integrity impact. The provided sources do not name a fixed version.
Likely exposure
Exposure is limited to WordPress installations running Feedify – Web Push Notifications up to and including 2.1.8. Sites not using this plugin are not affected based on the provided bundle.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Practical exploitation would require convincing a user to open a crafted request that reflects attacker-controlled script through feedify_msg.
Researcher notes
Evidence identifies the vulnerable parameter and file location, but the bundle does not provide a patch version, exploit status, or broader product impact. Avoid assuming active exploitation or a specific fixed version without vendor confirmation.
Mitigation direction
- Inventory WordPress sites for Feedify – Web Push Notifications versions up to 2.1.8.
- Check vendor or WordPress plugin guidance for a maintained fixed release.
- Update, disable, or remove the plugin according to vendor guidance and business need.
- If maintaining code, validate and output-escape feedify_msg before rendering.
Validation and detection
- Confirm installed plugin name and version from WordPress administration or asset inventory.
- Review web logs for unusual requests containing the feedify_msg parameter.
- Use safe non-executing testing to verify whether feedify_msg is reflected unsafely.
- Confirm remediation by retesting after update, removal, or code correction.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-38352 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38352CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/browser/push-notification-by-feedify/tags/2.1.1/includes/base.php#L199CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.