CVE-2026-82884: medium-severity vulnerability in All in One SEO
All in One SEO < 5.0.0.1 - Contributor+ Stored XSS via ai-assistant Block
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.8epss 0.4%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · All in One SEOpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/9d4e5075-062a-42d7-beba-9f96f9ce76da/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — All in One SEO
In the same product, most dangerous first.
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