CVE-2025-8405 is a high-severity vulnerability in GitLab CE/EE, affecting versions 17.1 through 18.4.5, 18.5 through 18.5.3, and 18.6 through 18.6.1. This flaw allows an authenticated user to inject malicious HTML into vulnerability code flow displays, enabling unauthorized actions on behalf of other users. With a CVSS score of 7.7, the attack requires user interaction and high complexity but can lead to high confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, though it has garnered some community and media attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 17.1, < 18.4.6CPE match | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | ||
>= 18.5, < 18.5.4CPE match | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | ||
>= 18.6, < 18.6.2CPE match | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | ||
>= 17.1.0, < 18.4.6CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 17.1.0, < 18.4.6CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.