Security readout for executives and security teams
Plain-English summary
This WordPress plugin flaw lets an outside attacker abuse an administrator’s browser if the administrator is tricked into taking an action. The documented impact is unauthorized changes to image categories used by Mediamatic – Media Library Folders. Treat affected installations as high priority, especially on public or business-critical WordPress sites.
Executive priority
Prioritize remediation for externally administered or business-critical WordPress sites. The issue is high severity, but urgency depends on whether the plugin is installed and whether administrators are likely exposed to phishing or untrusted links.
Technical view
CVE-2023-0294 is a CSRF issue in Mediamatic – Media Library Folders through version 2.8.1. The source attributes it to missing or incorrect nonce validation on an AJAX actions function. The CVSS 3.1 score is 8.8 high, with user interaction required and no attacker privileges required.
Likely exposure
Exposure is limited to WordPress sites running Mediamatic – Media Library Folders version 2.8.1 or earlier. The affected-version metadata in the bundle is inconsistent, so confirm against installed plugin version and vendor records.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. The described attack requires tricking a site administrator into an action, such as following a link, which then sends a forged request through the administrator’s session.
Researcher notes
The public description identifies CSRF, CWE-352, missing or incorrect nonce validation, AJAX action involvement, and image category modification. It does not provide a confirmed fixed version in the supplied bundle, and no active exploitation evidence is included.
Mitigation direction
- Inventory WordPress sites for the Mediamatic plugin and installed version.
- Check vendor or WordPress plugin guidance for a fixed release.
- Update beyond 2.8.1 when a trusted fixed version is available.
- Deactivate or remove the plugin where it is unnecessary or cannot be updated.
- Warn administrators against untrusted links while remediation is pending.
Validation and detection
- Confirm whether each WordPress site has Mediamatic installed.
- Verify installed versions are not 2.8.1 or earlier.
- Review media category changes for unexpected administrator-timed activity.
- Inspect plugin code or vendor notes for nonce validation on affected AJAX actions.
- Document remediation status for each exposed WordPress instance.
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-2023-0294 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d81ed8d9-4a7a-4b75-aab4-8e4dbd554f32?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/mediamatic/trunk/inc/sidebar.php?rev=2652957#L343CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d81ed8d9-4a7a-4b75-aab4-8e4dbd554f32CVE reference · x_transferred
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.