Webedition CMS v2.9.8.8 Stored Cross-Site Scripting via SVG Upload

Advisories

severity: medium
date: December 15, 2025
Affecting: Webedition CMS 2.9.8.8
CVE: CVE-2023-53884
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 5.1
CVSS V4 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
References: ExploitDB-51662
webEdition Product Webpage
Credit: Mirabbas Ağalarov
Description: Webedition CMS v2.9.8.8 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the media upload feature to inject and execute arbitrary scripts when the file is viewed by other users.