CVE-2021-39887

State: Published
Severity: 7.3 High
Published: Oct 5, 2021
Updated: Aug 4, 2024
Reserved: Aug 23, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N	GitLab

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
GitLabGitLab	>=8.4, <14.1.7Affected >=14.2, <14.2.5Affected >=14.3, <14.3.1Affected

References

https://gitlab.com/gitlab-org/gitlab/-/issues/332903
https://hackerone.com/reports/1218174
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39887.json

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.