Security readout for executives and security teams
Plain-English summary
This is a medium-severity CSRF issue in the WordPress Apollo13 Framework Extensions plugin through version 1.9.1. A successful attack would depend on tricking a logged-in site user into triggering an unwanted action. The cited sources indicate limited integrity and availability impact, with no confidentiality impact.
Executive priority
Treat this as a moderate WordPress maintenance risk. It is not shown as actively exploited in the supplied sources, but affected public sites should be inventoried and remediated through vendor guidance because CSRF can cause unauthorized site actions through a logged-in user.
Technical view
CVE-2023-51539 is CWE-352 in Apollo13Themes Apollo13 Framework Extensions for WordPress, affecting versions through 1.9.1. CVSS 3.1 is 5.4: network attack vector, low complexity, no attacker privileges, required user interaction, unchanged scope, no confidentiality impact, low integrity impact, and low availability impact.
Likely exposure
Exposure is limited to WordPress sites with Apollo13 Framework Extensions installed at version 1.9.1 or earlier. Sites without this plugin, or with versions outside the cited affected range, are not shown as affected by the provided sources.
Exploitation context
The bundle does not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates user interaction is required, consistent with CSRF risk against a logged-in site user. No exploit details are provided in the sources.
Researcher notes
Evidence is concise: CVE metadata and Patchstack identify CSRF through version 1.9.1. The bundle does not name a patched version, specific vulnerable endpoint, affected action, exploit availability, or workaround. Avoid assuming impact beyond low integrity and low availability from CVSS.
Mitigation direction
- Identify all WordPress sites using Apollo13 Framework Extensions.
- Check installed plugin versions and flag 1.9.1 or earlier.
- Consult Apollo13Themes or Patchstack guidance for fixed versions or vendor remediation.
- Disable or remove the plugin where it is not business-required.
- Prioritize administrative account hygiene and avoid unnecessary logged-in browsing.
Validation and detection
- Verify the plugin slug apollo13-framework-extensions in WordPress inventories.
- Compare installed versions against the affected range through 1.9.1.
- Review vendor and Patchstack records for updated remediation status.
- Confirm whether affected sites have compensating controls for administrative actions.
- Document findings, exceptions, and owner decisions for each WordPress site.
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-2023-51539 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.