CVE-2025-55420

HIGH

FoxCMS 1.2.6 - Reflected Cross-Site Scripting in index.php

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 8.8
EPSS 0.0046
EPSS Percentile 36.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (1)
foxcms/foxcms 1.2.6
Published Aug 21, 2025
Tracked Since Feb 18, 2026