Cross-Site Scripting Vulnerability in Drupal Flag Affects Multiple Versions
CVE-2025-14556

4.8MEDIUM

Key Information:

Vendor

Drupal
Status
Flag
Vendor
CVE Published:
14 January 2026

What is CVE-2025-14556?

A Cross-Site Scripting (XSS) vulnerability exists in the Drupal Flag module, specifically affecting versions 7.X-3.0 to 7.X-3.9. This vulnerability arises from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into web pages viewed by users. If left unaddressed, this security flaw can enable an attacker to perform actions on behalf of users without their consent, potentially compromising sensitive information and undermining the integrity of the web application.

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Affected Version(s)

Flag 7.x-3.0 <= 7.x-3.9

References

https://www.herodevs.com/vulnerability-directory/cve-2025...
vendor-advisory
https://d7es.tag1.com/security-advisories/flag-moderately...
vendor-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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