CVE-2021-39887

2021-10-0511:12:11

GitLab

www.cve.org

7.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.7%

JSON

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.

CNA Affected

[
  {
    "product": "GitLab",
    "vendor": "GitLab",
    "versions": [
      {
        "status": "affected",
        "version": ">=8.4, <14.1.7"
      },
      {
        "status": "affected",
        "version": ">=14.2, <14.2.5"
      },
      {
        "status": "affected",
        "version": ">=14.3, <14.3.1"
      }
    ]
  }
]