CVE-2019-5471 is a persistent Cross-Site Scripting (XSS) vulnerability found in the email notification feature of GitLab, affecting versions prior to 12.1.2, 12.0.4, and 11.11.6. With a CVSS score of 5.4 (Medium), this flaw could allow an attacker to inject malicious scripts due to improper input validation and output encoding, potentially leading to information disclosure or limited integrity impact. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage. Organizations using affected GitLab versions should upgrade immediately to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 11.11.0, < 11.11.7CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 11.11.0, < 11.11.7CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
>= 12.0.0, < 12.0.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 12.0.0, < 12.0.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
>= 12.1.0, < 12.1.2CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.