Cross-Site Scripting Vulnerability in Drupal SAML SSO - Service Provider
CVE-2026-3217

6.1MEDIUM

Key Information:

Vendor

Drupal
Status
Saml Sso - Service Provider
Vendor
CVE Published:
25 March 2026

What is CVE-2026-3217?

A Cross-Site Scripting (XSS) vulnerability exists in the Drupal SAML SSO - Service Provider, which improperly neutralizes input during web page generation. This flaw allows an attacker to execute arbitrary JavaScript code in the context of a user's session, potentially leading to data theft or session hijacking. The vulnerability affects versions from 0.0.0 up to, but not including, 3.1.3, making it crucial for users to update to the latest version to ensure web application security.

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Deploy the Patch

Affected Version(s)

SAML SSO - Service Provider 0.0.0 < 3.1.3

References

https://www.drupal.org/sa-contrib-2026-018

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Drew Webber (mcdruid)
Sudhanshu Dhage (sudhanshu0542)
Drew Webber (mcdruid)
Juraj Nemec (poker10)
Jess (xjm)
JSON
.