XSS in Webedition Cms

CVE-2023-53884

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53884?
CVE-2023-53884 is a medium-severity vulnerability in Webedition Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-15.
How severe is CVE-2023-53884?
Medium severity. CVSS v3 base score is 5.4 out of 10.