PatchTheCVEblock class vulnerabilities and fixes
Recent CVEs affecting block class, with upgrade or downgrade steps. 1 tracked.
Also searched as: blockclass.
block class has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-04-23. Highest priority: CVE-2025-3902 (score 25/100).
- CVE-2025-3902 MEDIUM 6.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal B
FAQ
How do I fix block class 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 block class being exploited right now?
None of the tracked block class CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which block class CVE should I patch first?
CVE-2025-3902 currently ranks highest (25/100): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal B.