CVE-2021-25894 Cross-site scripting in n/a

Medium 6.1 Published 2 Apr 2021 Updated 3 Aug 2024

Stored XSS in Magnolia CMS login page allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.

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-2021-25894?

CVE-2021-25894 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Apr 2021. 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

Magnolia CMS from 6.1.3 to 6.2.3 contains a stored cross-site scripting (XSS) vulnerability in the /magnoliaPublic/travel/members/login.html mgnlUserId parameter.

Weakness: CWE-79

Which versions are affected by CVE-2021-25894?

It affects 1 product.

Products include Magnolia-Cms Magnolia Cms.

How do I fix CVE-2021-25894?

No fix has been published for CVE-2021-25894 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-2021-25894 being exploited?

There is no known exploitation of CVE-2021-25894 in the wild and no public exploit code.

Sources

Also known as GHSA-x7hv-g5wj-p26v.