Cross-Site Request Forgery Vulnerability in Drupal Theme Negotiation by Rules
CVE-2026-3211

4.3MEDIUM

Key Information:

Vendor

Drupal
Status
Theme Negotiation By Rules
Vendor
CVE Published:
25 March 2026

What is CVE-2026-3211?

A Cross-Site Request Forgery (CSRF) vulnerability exists in the Theme Negotiation by Rules module for Drupal. This vulnerability can be exploited by an attacker to perform unintended actions on behalf of authenticated users without their consent. Affected versions prior to 1.2.1 may allow unauthorized commands, thus creating potential security risks and compromising user data integrity.

Affected Version(s)

Theme Negotiation by Rules 0.0.0 < 1.2.1

References

https://www.drupal.org/sa-contrib-2026-012

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Juraj Nemec (poker10)
Zoltan Attila Horvath (huzooka)
Juraj Nemec (poker10)
Damien McKenna (damienmckenna)
Greg Knaddison (greggles)
Juraj Nemec (poker10)
Jess (xjm)
.