CVE-2025-56236 — MEDIUM (6.1)

Q: How severe is CVE-2025-56236?

CVE-2025-56236 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-56236?

Check the references section above for vendor advisories and patch information. Affected products include: Formcms Formcms.

Vulnerability 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.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Formcms	Formcms	>= 0.5.5, < 0.5.7

Related Weaknesses (CWE)

CWE-79

References

https://github.com/FormCms/FormCms/issues/27ExploitIssue Tracking
https://github.com/KKC73/me/blob/main/CVE-2025-56236/README.mdThird Party Advisory

FAQ

What is CVE-2025-56236?

CVE-2025-56236 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...

How severe is CVE-2025-56236?

CVE-2025-56236 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-56236?

Check the references section above for vendor advisories and patch information. Affected products include: Formcms Formcms.