PT-2021-22733 · Gitlab · Gitlab Ce/Ee+1

Saleemrashid · Published 2021-10-05 · Updated 2024-03-06 · CVE-2021-39887

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions: GitLab CE/EE versions 8.4 and above

Description: A stored Cross-Site Scripting issue in the GitLab Flavored Markdown allows an attacker to execute arbitrary JavaScript code on the victim's behalf.

Recommendations: For GitLab CE/EE versions 8.4 and above, update to a version that includes a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-GITLAB-2021-39887

CVE-2021-39887

Affected Products

Gitlab

Gitlab Ce/Ee

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2021-39887 · Security Note
• https://ubuntu.com/security/CVE-2021-39887 · Vendor Advisory
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39887.json · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39887 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39887 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2021-39887 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39887 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/issues/332903 · Note
• https://t.me/cvenotify/22189 · Telegram Post
• https://hackerone.com/reports/1218174 · Note