CVE-2026-39641 Skywarrior CVE debrief

Who should care

Users of the Blackfyre theme, particularly those with versions 2.5.4 or earlier, should be aware of this vulnerability and take necessary precautions. This includes verifying the version of the theme in use, applying patches or updates provided by the vendor, and implementing compensating controls such as monitoring for suspicious activity.

Technical summary

The CVE-2026-39641 vulnerability is a Cross-Site Request Forgery (CSRF) issue in the Blackfyre theme. It has a CVSS score of 6.5 and a severity of MEDIUM. The vulnerability affects versions from n/a through 2.5.4. The issue arises from the theme's lack of proper validation and sanitization of user input, allowing attackers to trick users into performing unintended actions.

Defensive priority

Medium priority due to the potential for Cross Site Request Forgery attacks. Users should take immediate action to verify their version and apply patches or updates as necessary.

Recommended defensive actions

• Inventory and verify the version of the Blackfyre theme in use.
• Apply patches or updates provided by the vendor to address the CSRF vulnerability.
• Implement compensating controls, such as monitoring for suspicious activity.
• Consider using a Web Application Firewall (WAF) to detect and prevent CSRF attacks.

Evidence notes

The CVE record was published on 2026-04-08T09:16:34.930Z and last modified on 2026-07-24T21:10:00.143Z. The NVD entry is currently Deferred. The Blackfyre theme, which is affected by this vulnerability, is used by various WordPress installations. Users should verify their version and update or apply patches as necessary. The evidence for this CVE is based on the NVD entry and the official CVE record.

Official resources