CVE-2026-13320

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

Published Jul 8, 2026 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

Remediation

Vendor Solution

Upgrade to versions 18.11.7, 19.0.4, 19.1.2 or above.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
Title Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-79
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Jul 9, 2026, 1:41 PM
Reserved
Jun 25, 2026, 8:13 AM
Status
Analyzed
Published
Jul 8, 2026, 9:16 PM
Modified
Jul 9, 2026, 8:35 PM
Severity
Important
Public date
Jul 8, 2026, 8:46 PM