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CVE-2026-11588

MEDIUM 6.1 CVSS 3.1
Published
August 6, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS: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).

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown EONSR AEO Agent — Up to and including 3.7.9

References

  • wpscan.com https://wpscan.com/vulnerability/31381157-63d6-4c26-bd52-2039a2e1a804/
  • nvd.nist.gov Official NVD record