CVE-2025-55420

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p41

Published

Aug 21, 2025 (Aug 21, 2025)

Modified

Jun 17, 2026

Description

A Reflected Cross Site Scripting (XSS) vulnerability was found in /index.php in FoxCMS v1.2.6. When a crafted script is sent via a GET request, it is reflected unsanitized into the HTML response. This permits execution of arbitrary JavaScript code when a logged-in user submits the malicious input.

Vendors: foxcms
Products: foxcms
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

In the news0 stories

No ingested article mentions this CVE yet.