# CVE-2026-92883: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

> CVE-2026-92883: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab. CVSS 8.7 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-92883
Last updated: 2026-10-14T20:18:00Z

- Published: 2026-10-13 01:05 UTC · Updated: 2026-10-14 20:18 UTC · Assigner: GitLab
- CVSS: 8.7 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- EPSS: 0.48%, 41th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-79

## Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2  that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-92883)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-92883)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/629523](https://gitlab.com/gitlab-org/gitlab/-/work_items/629523)
- [https://hackerone.com/reports/3936831](https://hackerone.com/reports/3936831)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-92883 · Markdown: https://rewindex.com/cve/CVE-2026-92883.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-92883 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:10:02.942Z