CVE-2021-39887
High
Description
A stored Cross-Site Scripting vulnerability in the GitLab Flavored Markdown in GitLab CE/EE version 8.4 and above allowed an attacker to execute arbitrary JavaScript code on the victim's behalf.
SeverityHigh
CVSS7.3
Exploit probability—
Product
Gitlab
PublishedOct 5, 2021
First seenOct 5, 2021
How to fix
Update
- gitlab gitlab14.1.7, 14.2.5, 14.3.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 8.4.0 ≤ v < 14.1.7, 14.2 ≤ v < 14.2.5, 14.3 ≤ v < 14.3.1 | 14.1.7, 14.2.5, 14.3.1 |
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