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CVE-2026-82884

All in One SEO < 5.0.0.1 - Contributor+ Stored XSS via ai-assistant Block

MEDIUM
6.8
CVSS Score
Published: September 2, 2026 at 02:16 PM UTC
Updated: September 3, 2026 at 06:04 PM UTC
1 product affected across 1 vendorAll in One Seo

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All in One Seo· Aioseowordpress-plugin
60%
v < 5.0.0.1
Affected range stops below 5.0.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/9d4e5075-062a-42d7-beba-9f96f9ce76da/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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