VULNERABILITY INTELLIGENCE
CVE-2026-81807
CVSS score8.8 HIGH
EPSS probability0.51%
CISA KEVNot currently listed
Published2026-09-02
Last modified2026-09-03
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
The Simple Ajax Chat WordPress plugin before 20260827 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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79