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.
History

Wed, 02 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Wed, 02 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Simple Ajax Chat < 20260827 - Unauthenticated Stored XSS via Chat Message Linkification
References

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-02T06:00:23.747Z

Updated: 2026-09-02T10:45:54.257Z

Reserved: 2026-08-27T12:27:55.970Z

Link: CVE-2026-81807

cve-icon Vulnrichment

Updated: 2026-09-02T10:11:06.623Z

cve-icon NVD

Status : Deferred

Published: 2026-09-02T06:17:19.773

Modified: 2026-09-03T17:50:37.690

Link: CVE-2026-81807

cve-icon Redhat

No data.