CVE-2025-3902: Block Class - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-043
First published: Wed Apr 23 2025(Updated: )
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.
Credit: mlhess@drupal.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Drupal Block Class | >=4.0.0<4.0.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-3902?
CVE-2025-3902 is classified as a medium severity vulnerability due to its potential for Cross-Site Scripting (XSS) attacks.
How do I fix CVE-2025-3902?
To fix CVE-2025-3902, update Drupal Block Class to version 4.0.1 or later.
What systems are affected by CVE-2025-3902?
CVE-2025-3902 affects Drupal Block Class versions from 4.0.0 before 4.0.1.
What type of vulnerability is CVE-2025-3902?
CVE-2025-3902 is an improper neutralization of input during web page generation vulnerability, specifically a Cross-Site Scripting (XSS) issue.
What is the impact of exploiting CVE-2025-3902?
Exploiting CVE-2025-3902 can allow an attacker to execute arbitrary scripts in the context of a user's session.
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