CVE-2020-6850

Name: CVE-2020-6850
Creator: NVD / NIST
Published: 2020-02-17T16:15:28.803+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.38%

Last modified Jun 17, 2026

CVE-2020-6850 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 1.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.38%

68.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Miniorange	Saml Sp Single Sign On	< 4.8.84

References

https://wordpress.org/plugins/miniorange-saml-20-single-sign-on/#developersProduct, Third Party Advisory
https://zeroauth.ltd/blog/Exploit, Third Party Advisory
https://zeroauth.ltd/blog/2020/01/28/cve-2020-6850-miniorange-saml-wp-plugin-before-4-8-84-is-vulnerable-to-xss-via-a-specially-crafted-saml-xml-response/Exploit, Third Party Advisory
https://wordpress.org/plugins/miniorange-saml-20-single-sign-on/#developersProduct, Third Party Advisory
https://zeroauth.ltd/blog/Exploit, Third Party Advisory
https://zeroauth.ltd/blog/2020/01/28/cve-2020-6850-miniorange-saml-wp-plugin-before-4-8-84-is-vulnerable-to-xss-via-a-specially-crafted-saml-xml-response/Exploit, Third Party Advisory

Timeline

Published: Feb 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6850?

How severe is CVE-2020-6850?

CVE-2020-6850 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6850?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6850?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST