CVE-2021-38320

Published: Sep 9, 2021Modified: Jun 17, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: NVD

Description

The simpleSAMLphp Authentication WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/simplesamlphp-authentication.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.7.0.

Affected (1)

Products: Simplesamlphp Authentication Project: Simplesamlphp Authentication

Simplesamlphp Authentication Project

1 product

Simplesamlphp Authentication

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Simplesamlphp Authentication Project Simplesamlphp Authentication	Up to 0.7.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product 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.

References (4)

https://plugins.trac.wordpress.org/browser/simplesamlphp-authentication/tags/0.7.0/simplesamlphp-authentication.php#L307

Source: security@wordfence.com

ExploitThird Party Advisory

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38320

Source: security@wordfence.com

Third Party Advisory

https://plugins.trac.wordpress.org/browser/simplesamlphp-authentication/tags/0.7.0/simplesamlphp-authentication.php#L307

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38320

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.