Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

published 2024-06-26 2 y ago modified 2026-09-10 59 d ago also BIT-gitlab-2024-4901 , EUVD-2024-44468

cvss: 8.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 33.5%; EPSS 33.5% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, where a stored XSS vulnerability could be imported from a project with malicious commit notes.

Patch / fix

fixed in 2

bitnami gitlab 16.11.5, 17.0.3, 17.1.1
GitLab GitLab 16.11.5, 17.0.3, 17.1.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-06-28)

Exploit prediction

33.47% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hackerone.com https://hackerone.com/reports/2500163 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.7	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
OSV	3.1	8.7	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
bitnami	gitlab	>=16.9.0, <16.11.5 >=17.0.0, <17.0.3 >=17.1.0, <17.1.1	16.11.5 17.0.3 17.1.1

Affected products

GitLab GitLab

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

GitLab rss critical rss

References

hackerone.com /reports/2500163
technical-description, exploit, permissions-required, web
gitlab.com /gitlab-org/gitlab/-/issues/461773
issue-tracking, permissions-required, broken-link, web
nvd.nist.gov /vuln/detail/CVE-2024-4901
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary