SCA: security update for FormCMS (GHSA-4fxf-xgrm-8fcj)

medium Tenable Cloud Security Plugin ID 435136

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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.
(CVE-2025-56236)

See Also

https://github.com/advisories/GHSA-4fxf-xgrm-8fcj

Plugin Details

Severity: Medium

ID: 435136

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 8/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.14

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.7

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2025-56236

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/28/2025

Vulnerability Publication Date: 8/28/2025

Reference Information

CVE: CVE-2025-56236