Answer in brief
CVE-2025-4439 records a High severity (CVSS 7.7) vulnerability in Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab. The current sources do not mark it as known exploited. The current feed maps GitLab/GitLab (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps GitLab/GitLab (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GitLab/GitLabgeneric | >=15.10 <18.0.5 || >=18.1 <18.1.3 || >=18.2 <18.2.1 | 18.0.5, 18.1.3, 18.2.1 |
Published upstream
Jul 23, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 3, 2026
An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed an authenticated user to perform cross-site scripting attacks when the instance is served through certain content delivery networks.
Quoted source text, attributed separately from HOL analysis.