CVE-2026-11588
Medium
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).
SeverityMedium
CVSS6.1
Exploit probability—
ProductEONSR AEO Agent
PublishedAug 6, 2026
First seenAug 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| EONSR AEO Agent | v ≤ 3.7.9 | — |
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