CVE-2025-3902 - Block Class - Moderately critical - Cross Site Scripting

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MEDIUM

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

Published Apr 23, 2025

6.1

MEDIUM

CVSS 3.1

EPSS 0.24%

Description

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.

Affected products

Vendor Drupal Product Block Class Default
unaffected
- Version
  4.0.0
  Status
  affected
  Constraints
  <4.0.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Drupal

Block Class

unaffected

Version	Status	Constraints
4.0.0	affected	<4.0.1

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-12162
Advisory
https://www.drupal.org/sa-contrib-2025-043
Vendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-12162		Advisory
https://www.drupal.org/sa-contrib-2025-043		Vendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner drupal

Published Apr 23, 2025

Updated Apr 23, 2025

Reserved Apr 23, 2025

Link CVE-2025-3902

CISA Vulnrichment

Updated Apr 23, 2025

NVD

Status Analyzed

Modified Jun 17, 2026

Link CVE-2025-3902

Red Hat

Severity n/a

Public date n/a

Links CVE-2025-3902

ENISA EUVD

Assigner drupal

Published Apr 23, 2025

Updated Apr 23, 2025

Exploited since n/a

Link EUVD-2025-12162

EUVD-2025-12162