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Medium 6.1Published Aug 6, 2026

CVE-2026-11588EONSR AEO Agent <= 3.7.9 - Unauthenticated Stored XSS via Scheduled Post Creation

Updated under an hour ago ()

Does this affect you?

It affects Unknown EONSR AEO Agent. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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).

CVSS
6.1 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Aug 6, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown EONSR AEO Agent
unknown:eonsr_aeo_agent (from the name)
through 3.7.9
CNA record

References

  • exploit, vdb-entry, technical-description

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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