CVE-2020-37238

Published: May 16, 2026Modified: Jun 17, 2026Deferred

5.1

Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

Description

CMS Made Simple 2.2.15 contains a stored cross-site scripting vulnerability that allows authenticated users with Content Manager access to inject malicious scripts through SVG file uploads. Attackers can upload SVG files containing embedded JavaScript to the file manager, which executes when other authenticated users access the uploaded file, enabling cookie theft and session hijacking.

Related CWEs

CWE-79

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 (4)

https://www.cmsmadesimple.org/

Source: disclosure@vulncheck.com

https://www.cmsmadesimple.org/downloads

Source: disclosure@vulncheck.com

https://www.exploit-db.com/exploits/49199

Source: disclosure@vulncheck.com

https://www.vulncheck.com/advisories/cms-made-simple-stored-xss-via-svg-file-upload

Source: disclosure@vulncheck.com

Timeline

No history available yet.