CVE-2025-4439CWE-79

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

High · published July 23, 2025

CVSS v3.1
7.7
EPSS
0%
Percentile
18.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00270 · 18.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-07-23T18:09Z
EPSS history
Timeline
  • 23 JUL 18:09Z
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
    cvelistv5