CVE-2025-11892 Cross-site scripting in Enterprise Server

High 8.6 Published 10 Nov 2025 Updated 12 Nov 2025

Attacker can execute scripts via crafted links to escalate privileges and trigger workflows in GitHub Enterprise Server.

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-2025-11892?

CVE-2025-11892 is a high-severity cross-site scripting vulnerability in Github Enterprise Server, published on 10 Nov 2025. 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 improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allows DOM-based cross-site scripting via Issues search label filter that could lead to privilege escalation and unauthorized workflow triggers. Successful exploitation requires an attacker to have access to the target GitHub Enterprise Server instance and to entice a user, while operating in sudo mode, to click on a crafted malicious link to perform actions that require elevated privileges. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18.1, 3.17.7, 3.16.10, 3.15.14, 3.14.19.

Weakness: CWE-79

Which versions are affected by CVE-2025-11892?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2025-11892?

No fix has been published for CVE-2025-11892 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-2025-11892 being exploited?

There is no known exploitation of CVE-2025-11892 in the wild and no public exploit code.

All Github Enterprise Server vulnerabilities

Sources

Also known as GHSA-q963-9rqv-mq7m.