What is CVE-2026-11588?

CVE-2026-11588 is a medium-severity vulnerability in Eonsr Aeo Agent, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-06.

How severe is CVE-2026-11588?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Eonsr Aeo Agent

CVE-2026-11588

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-att…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Unknown Eonsr Aeo Agent — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-11588?: CVE-2026-11588 is a medium-severity vulnerability in Eonsr Aeo Agent, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-06.
How severe is CVE-2026-11588?: Medium severity. CVSS v3 base score is 6.1 out of 10.