Vulnerability · Published Sep 2, 2026 · Assigned by WPScan
CVE-2026-81807Simple Ajax Chat < 20260827 - Unauthenticated Stored XSS via Chat Message Linkification
High 8.8
In plain English
A high-severity cross-site scripting in Simple Ajax Chat from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 56.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Simple Ajax Chat | 0 – before 20260827 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/7aceefd5-aa09-4828-b375-6a62997fa0c2/ exploit, vdb-entry, technical-description