Security readout for executives and security teams
Plain-English summary
This affects WordPress sites running eCommerce Product Catalog Plugin through 3.0.17. An attacker cannot directly change orders alone, but could trick an administrator into triggering a forged request that saves a manual digital order. Business impact is limited integrity risk, not data theft or outage based on the cited CVSS.
Executive priority
Treat this as a moderate-priority WordPress hygiene issue. It is not documented as actively exploited in the supplied sources, but affected sites should be updated because administrator-assisted request forgery can create unauthorized business records.
Technical view
CVE-2021-4393 is a CSRF issue in the plugin's save() function caused by missing or incorrect nonce validation. The reported impact is unauthorized saving of manual digital orders when an authenticated administrator is induced to perform an action. CVSS 3.1 is 4.3, with low attack complexity, required user interaction, and low integrity impact.
Likely exposure
Exposure is limited to WordPress installations using the eCommerce Product Catalog Plugin for WordPress at version 3.0.17 or earlier. Sites without the plugin, or using unaffected versions, are not indicated as exposed by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. Practical exploitation requires social engineering a site administrator into interacting with attacker-controlled content while authenticated. The documented impact is order integrity manipulation, not confidentiality or availability compromise.
Researcher notes
The evidence identifies CWE-352 and a vulnerable save() flow for manual digital orders. The WordPress Trac changeset is relevant to validation, but the bundle does not provide exploit telemetry. Avoid assuming broader order, payment, or account compromise beyond the stated low integrity impact.
Mitigation direction
- Inventory WordPress sites for the eCommerce Product Catalog Plugin version.
- Update affected installations to a version newer than 3.0.17 after checking vendor guidance.
- Restrict administrator access and reinforce phishing-resistant administrative workflows.
- Review vendor and Wordfence guidance for any additional plugin-specific remediation.
- Monitor manual digital orders for unexpected or unauthorized entries.
Validation and detection
- Confirm whether the plugin is installed and its version is 3.0.17 or earlier.
- Verify the order save path enforces nonce validation in the deployed version.
- Review administrative activity around manual digital order creation.
- Check security tooling for alerts referencing CVE-2021-4393 or this plugin.
- Confirm remediation in staging before deploying plugin updates to production.
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-352: 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-2021-4393 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/12ecf3d5-1457-405a-8856-517c7d2f2db1?source=cveCVE reference
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/CVE reference
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/CVE reference
- https://plugins.trac.wordpress.org/changeset/2473569/ecommerce-product-catalog/trunk/modules/cart/includes/orders/includes/register-digital-orders.phpCVE reference
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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.