CVE-2025-3901: Bootstrap Site Alert - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-042

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-23 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Bootstrap Site Alert allows Cross-Site Scripting (XSS).This issue affects Bootstrap Site Alert: from 0.0.0 before 1.13.0, from 3.0.0 before 3.0.4.

Affected products

Drupal Bootstrap Site Alert: before 1.13.0; from 3.0.0 before 3.0.4; from 8.x-1.0 before 8.x-1.13 — fixed in 1.13.0, 3.0.4, 8.x-1.13

How to fix

Upgrade to a fixed version: Drupal Bootstrap Site Alert 1.13.0, 3.0.4, 8.x-1.13. Check the vendor advisory for mitigations.

References

https://www.drupal.org/sa-contrib-2025-042

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