WordPress security changelog
MEDIUM CVE-2020-6850 Modified

Miniorange Saml 20 Single Sign On: Cross-site scripting

Miniorange Saml 20 Single Sign On is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 6.1 CVSS · cve@mitre.org
NVD score 6.1 CVSS 3.1 · nvd@nist.gov
Component
Miniorange Saml 20 Single Sign On
Plugin slug
miniorange-saml-20-single-sign-on
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 17, 2020
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Feb 17, 2020 and is one of 4 known issues for this plugin.

Update, patch or deactivate.

Update Miniorange Saml 20 Single Sign On to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Utilities.php in the miniorange-saml-20-single-sign-on plugin before 4.8.84 for WordPress allows XSS via a crafted SAML XML Response to wp-login.php. This is related to the SAMLResponse and RelayState variables, and the Destination parameter of the samlp:Response XML element.

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

Primary and upstream sources