CVE-2026-11588
EONSR AEO Agent <= 3.7.9 - Unauthenticated Stored XSS via Scheduled Post Creation
- State
- Published
- Severity
- 6.1 Medium
- Published
- Aug 6, 2026
- Updated
- Aug 6, 2026
- Reserved
- Jun 8, 2026
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
EONSR AEO AgentUnknown |
|
References
- https://wpscan.com/vulnerability/31381157-63d6-4c26-bd52-2039a2e1a804/exploitvdb-entrytechnical-description
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