Vulnerability · Published Sep 2, 2026 · Assigned by WPScan
CVE-2026-82884All in One SEO < 5.0.0.1 - Contributor+ Stored XSS via ai-assistant Block
Medium 6.8
In plain English
A medium-severity cross-site scripting in All in One SEO from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.4%top 62.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The All in One SEO WordPress plugin before 5.0.0.1 does not sanitise and escape some content stored in posts before rendering it back in the post editor, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks that trigger when a higher privileged user edits the post.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | All in One SEO | 0 – before 5.0.0.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/9d4e5075-062a-42d7-beba-9f96f9ce76da/ exploit, vdb-entry, technical-description