WordPress Plugin Vulnerabilities
Simple Ajax Chat < 20260827 - Unauthenticated Stored XSS via Chat Message Linkification
Description
The plugin does not escape chat message content before rendering it, allowing unauthenticated users to inject arbitrary HTML attributes into the page and run scripts in the browser of anyone viewing the chat, including administrators.
Proof of Concept
Affects Plugins
References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Erwan LR (WPScan)
Submitter
Erwan LR (WPScan)
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-08-31 (about 2 days ago)
Added
2026-08-31 (about 1 day ago)
Last Updated
2026-09-01 (about 8 hours ago)