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PatchSiren cyber security CVE debrief

CVE-2026-39690 Paul Bearne CVE debrief

A Missing Authorization vulnerability was found in the Author Avatars List/Block plugin. This issue allows for Exploiting Incorrectly Configured Access Control Security Levels. The affected versions range from n/a through 2.1.25. The vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. It was published on 2026-04-08T09:16:41.110Z and last modified on 2026-07-24T20:10:00.147Z.

Vendor
Paul Bearne
Product
Author Avatars List/Block
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-24
Advisory published
2026-04-08
Advisory updated
2026-07-24

Who should care

Users of the Author Avatars List/Block plugin, especially those with versions 2.1.25 or earlier, should be aware of this vulnerability and take necessary actions to secure their installations. This includes verifying their version, applying patches or updates if available, and implementing compensating controls to monitor and restrict access to sensitive areas of the plugin.

Technical summary

The CVE-2026-39690 vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. It was published on 2026-04-08T09:16:41.110Z and last modified on 2026-07-24T20:10:00.147Z. The vulnerability is related to a Missing Authorization issue in the Author Avatars List/Block plugin, which could allow for Exploiting Incorrectly Configured Access Control Security Levels.

Defensive priority

MEDIUM

Recommended defensive actions

  • Inventory and verify the version of Author Avatars List/Block plugin in use.
  • Apply patches or updates to the plugin if available.
  • Implement compensating controls to monitor and restrict access to sensitive areas of the plugin.
  • Monitor for any suspicious activity related to the plugin.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Evidence notes

The CVE record was published on 2026-04-08T09:16:41.110Z and was last modified on 2026-07-24T20:10:00.147Z. The NVD entry is currently Deferred. The vulnerability affects Author Avatars List/Block plugin versions from n/a through 2.1.25. Users should verify their version and apply patches or updates if available. The CVE has a CVSS score of 5.3 and is classified as MEDIUM severity.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-08T09:16:41.110Z and has not been modified since then. The NVD entry is currently Deferred.