CVE-2022-31038 XSS vulnerability in repository issue list in Gogs

Medium 5.4 Published Updated

Attackers can inject malicious scripts via user display names in the issue list, potentially leading to code execution or account takeover.

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
Available

What is CVE-2022-31038?

CVE-2022-31038 is a medium-severity cross-site scripting vulnerability in gogs, published on 8 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Gogs is an open source self-hosted Git service. In versions of gogs prior to 0.12.9 `DisplayName` does not filter characters input from users, which leads to an XSS vulnerability when directly displayed in the issue list. This issue has been resolved in commit 155cae1d which sanitizes `DisplayName` prior to display to the user. All users of gogs are advised to upgrade. Users unable to upgrade should check their users' display names for malicious characters.

Weakness: CWE-79

Which versions are affected by CVE-2022-31038?

3 open source packages ship an affected version, including gogs.io/gogs. It affects 1 product.

PackageAffectedFixed in
gogs.io/gogs GoAll versions0.12.9
gogs.io/gogs GoAll versions0.12.9
gogs.io/gogs GoAll versions0.12.9

Products include Gogs Gogs.

How do I fix CVE-2022-31038?

Upgrade gogs.io/gogs to 0.12.9 or later.

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-2022-31038 being exploited?

There is no known exploitation of CVE-2022-31038 in the wild and no public exploit code.

Sources

Also known as GHSA-xq4v-vrp9-vcf2, GO-2022-0483.

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