CVE-2025-56236

Published: Aug 28, 2025Modified: Sep 9, 2025

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

FormCms v0.5.5 contains a stored cross-site scripting (XSS) vulnerability in the avatar upload feature. Authenticated users can upload .html files containing malicious JavaScript, which are accessible via a public URL. When a privileged user accesses the file, the script executes in their browser context.

Affected (1)

Products: Formcms: Formcms

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Formcms Formcms	From 0.5.5 to 0.5.7

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/FormCms/FormCms/issues/27

Source: cve@mitre.org

ExploitIssue Tracking

https://github.com/KKC73/me/blob/main/CVE-2025-56236/README.md

Source: cve@mitre.org

Third Party Advisory

Timeline

No history available yet.