CVE-2025-3902

Block Class - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-043

CVSS 6.1 MEDIUMEPSS 0.2%CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Block Class allows Cross-Site Scripting (XSS).This issue affects Block Class: from 4.0.0 before 4.0.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Drupal · Block Class

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References

https://www.drupal.org/sa-contrib-2025-043