CVE-2021-22225 — Cross-site Scripting in Gitlab

CWE-79 — Cross-site Scripting5 documents5 sources
Severity
5.4MEDIUMNVD
EPSS
0.1%
top 66.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GitlabDebian Gitlab
Timeline
PublishedJul 7
Latest updateMay 24

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages4 packages

▶NVDgitlab/gitlab13.11.3 — 13.11.6+2
▶debiandebian/gitlab< gitlab 15.10.8+ds1-2 (sid)
▶CVEListV5gitlab/gitlab>=13.11.3, <13.11.6, >=13.12, <13.12.6, >=14.0, <14.0.2+2
▶gitlabgitlab/gitlab

🔴Vulnerability Details

2
GHSA
GHSA-27v4-8jv4-3cp6: Insufficient input sanitization in markdown in GitLab version 13↗2022-05-24
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OSV
CVE-2021-22225: Insufficient input sanitization in markdown in GitLab version 13↗2021-07-07
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📋Vendor Advisories

2
GitLab
CVE-2021-22225: Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability v↗2021-07-07
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Debian
CVE-2021-22225: gitlab - Insufficient input sanitization in markdown in GitLab version 13.11 and up allow...↗2021
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