VULNERABILITY INTELLIGENCE
CVE-2026-11588
CVSS score6.1 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-08-06
Last modified2026-08-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
The EONSR AEO Agent WordPress plugin through 3.7.9 does not perform any authorisation check on one of its REST API routes and disables HTML sanitisation before saving the post, allowing unauthenticated attackers to create administrator-attributed published posts containing arbitrary web scripts that execute in the browser of any visitor, including administrators (Stored XSS).
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79