PatchTheCVEckfinder vulnerabilities and fixes
Recent CVEs affecting ckfinder, with upgrade or downgrade steps. 2 tracked.
ckfinder has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-12-05. Highest priority: CVE-2025-63830 (score 31/100).
- CVE-2025-63830 MEDIUM 6.1 DOWNGRADE CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function
- CVE-2016-20023 MEDIUM 5.0 UPGRADE In CKSource CKFinder before 2.5.0.1 for ASP.NET, authenticated users could download any file from the server i
FAQ
How do I fix ckfinder vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is ckfinder being exploited right now?
None of the tracked ckfinder CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which ckfinder CVE should I patch first?
CVE-2025-63830 currently ranks highest (31/100): CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function.