Drupal SAML SSO XSS Vulnerability (before 3.1.3)
CVE-2026-3217 Published on March 25, 2026

SAML SSO - Service Provider - Critical - Cross-site scripting - SA-CONTRIB-2026-018
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal SAML SSO - Service Provider allows Cross-Site Scripting (XSS).This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.3.

NVD

Vulnerability Analysis

CVE-2026-3217 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2026-3217 has been classified to as a XSS vulnerability or weakness.


Affected Versions

Drupal SAML SSO - Service Provider:

Exploit Probability

EPSS
0.03%
Percentile
8.22%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.