Vulnerability · Published Jul 7, 2021 · Assigned by GitLab

CVE-2021-22225

Medium 4.7

In plain English

A medium-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)0.6%top 53.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.11.3, <13.11.6>=13.12, <13.12.6>=14.0, <14.0.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/331051 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22225.json x_refsource_CONFIRM