Security readout for executives and security teams
Plain-English summary
CVE-2023-24421 is a CSRF issue in the WP Engine PHP Compatibility Checker WordPress plugin version 1.5.2 and earlier. An attacker could trick a site user into triggering unintended plugin-related actions through their browser. The recorded impact is limited integrity and availability, with no confidentiality impact stated.
Executive priority
Treat this as a moderate WordPress hygiene issue. It is not known to be actively exploited from the provided sources, but affected public sites should be identified and remediated through vendor guidance.
Technical view
The source bundle identifies CWE-352 CSRF in PHP Compatibility Checker <= 1.5.2. CVSS 3.1 is 5.4: network reachable, low complexity, no attacker privileges, user interaction required, unchanged scope, low integrity and availability impact, no confidentiality impact.
Likely exposure
Exposure is likely limited to WordPress sites that have WP Engine PHP Compatibility Checker installed at version 1.5.2 or earlier. The bundle does not identify affected CPEs or a default vulnerable installation state.
Exploitation context
No active exploitation is stated in the source bundle, and the CVE is not listed as KEV. Exploitation requires user interaction, consistent with CSRF, but the sources do not provide operational attack details.
Researcher notes
Evidence is sparse: the bundle confirms CSRF, affected plugin family, <=1.5.2, CVSS, and Patchstack reference. It does not name a vulnerable endpoint, nonce failure detail, affected action, patch version, or exploitation in the wild.
Mitigation direction
- Inventory WordPress sites for PHP Compatibility Checker plugin usage.
- Identify any installations at version 1.5.2 or earlier.
- Check WP Engine and Patchstack guidance for a fixed or recommended version.
- Update, disable, or remove affected installations according to vendor guidance.
- Prioritize sites with privileged WordPress users who browse while authenticated.
Validation and detection
- Confirm plugin name and version from WordPress administration or asset inventory.
- Verify whether any installed version is 1.5.2 or earlier.
- Review vendor advisory status before declaring remediation complete.
- Check recent administrative activity for unexpected plugin-related changes.
- Document compensating actions if no fixed version is confirmed.
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-2023-24421 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
- 5.4 (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:L
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:L2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Source materials
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.