PT-2026-84639 · WordPress · Simple Ajax Chat

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CVE-2026-81807

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Published

2026-09-02

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Updated

2026-09-02

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Simple Ajax Chat versions prior to 20260827
Description Stored Cross-Site Scripting (XSS) occurs because the plugin fails to escape chat message content before rendering it. This allows unauthenticated users to inject arbitrary HTML attributes into the page and execute scripts in the browser of any user viewing the chat, including administrators.
Recommendations Update Simple Ajax Chat to version 20260827 or later.

Exploit

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-81807

Affected Products

Simple Ajax Chat