Medium (6.1) in gitlab gitlab. EPSS 0.7% chance of exploitation in the next 30 days.
GitLab 12.5 through 12.8.1 allows HTML Injection. A particular error header was potentially susceptible to injection or potentially other vulnerabilities via unescaped input.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)