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Medium · 6.1 CVE-2026-100522 EUVD-2026-87377GHSA-6r43-xr6w-qprx

Cotonti through 1.0.0 Reflected XSS via message.php lng parameter

Published Sep 26, 2026 · Updated Sep 28, 2026 · Assigned by VulnCheck

Description

Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in message.php where the lng parameter is not properly escaped before output in the confirmation dialog. Unauthenticated attackers can craft malicious links with script payloads in the lng parameter to execute arbitrary JavaScript in victim browser sessions.

Affected products

VendorProductAffectedFixed
Cotonti Cotonti ≤ 1.0.0 —

References