CVE-2020-6850 Cross-site scripting in n/a

Medium 6.1 Published Updated

Cross-site scripting vulnerability in the miniOrange SAML plugin allows attackers to execute arbitrary scripts via crafted SAML responses.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-6850?

CVE-2020-6850 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Feb 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2020-6850?

It affects 1 product.

Products include Miniorange Saml Sp Single Sign On.

How do I fix CVE-2020-6850?

No fix has been published for CVE-2020-6850 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-6850 being exploited?

There is no known exploitation of CVE-2020-6850 in the wild and no public exploit code.

Sources

Also known as GHSA-xhv2-m579-hgcc.

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