PatchTheCVEcss validator vulnerabilities and fixes
Recent CVEs affecting css validator, with upgrade or downgrade steps. 1 tracked.
Also searched as: cssvalidator.
css validator has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-03-28. Highest priority: CVE-2025-1781 (score 36/100).
- CVE-2025-1781 MEDIUM 6.5 UPGRADE There is a XXE in W3CSS Validator versions before cssval-20250226 that allows an attacker to use specially-cra
FAQ
How do I fix css validator 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 css validator being exploited right now?
None of the tracked css validator CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which css validator CVE should I patch first?
CVE-2025-1781 currently ranks highest (36/100): There is a XXE in W3CSS Validator versions before cssval-20250226 that allows an attacker to use specially-cra.