CVE-2019-6796 Cross-site scripting in n/a

Medium 6.1 Published Updated

Persistent XSS in GitLab user status field allows attackers to execute scripts in victim browsers, potentially leading to account takeover.

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-2019-6796?

CVE-2019-6796 is a medium-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 11 Apr 2019. 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

An issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It allows XSS (issue 2 of 2). The user status field contains a lack of input validation and output encoding that results in a persistent XSS.

Weakness: CWE-79

Which versions are affected by CVE-2019-6796?

It affects 1 product.

Products include Gitlab Gitlab.

How do I fix CVE-2019-6796?

No fix has been published for CVE-2019-6796 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-2019-6796 being exploited?

There is no known exploitation of CVE-2019-6796 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as GHSA-533c-ppxj-mjqj.

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