CVE-2025-4278 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Gitlab

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)6 documents6 sources
Severity
8.7HIGHNVD
EPSS
0.4%
top 40.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GitlabDebian GitlabGitlab CE
Timeline
PublishedJun 12

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:NExploitability: 2.3 | Impact: 5.8

Affected Packages5 packages

▶CVEListV5gitlab/gitlab18.0 — 18.0.2
▶NVDgitlab/gitlab18.0.0 — 18.0.2
▶debiandebian/gitlab
▶gitlabgitlab/gitlab

🔴Vulnerability Details

2
GHSA
GHSA-wjcq-cqhf-f7rm: An issue has been discovered in GitLab CE/EE affecting all versions starting with 18↗2025-06-12
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OSV
CVE-2025-4278: An issue has been discovered in GitLab CE/EE affecting all versions starting with 18↗2025-06-12
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📋Vendor Advisories

2
GitLab
CVE-2025-4278: An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new s↗2025-06-12
▶
Debian
CVE-2025-4278: gitlab - An issue has been discovered in GitLab CE/EE affecting all versions starting wit...↗2025
▶

🕵️Threat Intelligence

1
Bleepingcomputer
GitLab patches high severity account takeover, missing auth issues↗2025-06-12
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