CVE-2025-63830: CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function. An attacker can upload a…
CVE-2025-63830 · Severity: medium · CVSS 6.1 · Published 2025-11-14
CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function. An attacker can upload a crafted SVG containing active content.
No. Junglewise Threat Intelligence has no report of CVE-2025-63830 being exploited in the wild.
How severe is CVE-2025-63830?
Medium severity, with a CVSS score of 6.1, published 14 November 2025.
Which products and versions are affected?
CKSource Ckfinder. The advisory does not name versions.
Is there a fix for CVE-2025-63830?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-63830?
Check whether you run CKSource Ckfinder. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.