CVE-2023-53890 MEDIUM

CVE-2023-53890: Perch CMS 3.2 Stored Cross-Site Scripting via SVG File Upload

Vendor Perch
Product Perch
Weakness CWE-79 · XSS
Published December 15, 2025
Last update April 7, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Perch CMS 3.2 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can craft SVG files with script tags that execute when the file is viewed, potentially stealing user session information or performing client-side attacks.

Key dates

02Disclosure timeline

December 15, 2025 CVE published
April 7, 2026 Record updated