CVE-2018-8602 Cross-site scripting in Team

Medium 5.4 Published 14 Nov 2018 Updated 5 Aug 2024

An attacker can execute arbitrary scripts in the context of other users via unsanitized input in Team Foundation Server.

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

What is CVE-2018-8602?

CVE-2018-8602 is a medium-severity cross-site scripting vulnerability in Microsoft Team, published on 14 Nov 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A Cross-site Scripting (XSS) vulnerability exists when Team Foundation Server does not properly sanitize user provided input, aka "Team Foundation Server Cross-site Scripting Vulnerability." This affects Team.

Weakness: CWE-79

Which versions are affected by CVE-2018-8602?

It affects 1 product.

Products include Microsoft Team Foundation Server.

How do I fix CVE-2018-8602?

No fix has been published for CVE-2018-8602 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-2018-8602 being exploited?

There is no known exploitation of CVE-2018-8602 in the wild and no public exploit code.

Sources

Also known as GHSA-9g97-qcwv-h434.