BIT-gitlab-2025-4439

vendorUSosv

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

view advisory published 2025-07-29Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-4439US	medium5.4	0.28% (20th)	—	2025-07-23
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 us…

references

External citations — patches, advisories, analysis.

https://gitlab.com/gitlab-org/gitlab/-/issues/541177WEB
https://hackerone.com/reports/3120111WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-4439WEB

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