CVE-2021-39887

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

05/10/2021

Last modified:

08/10/2021

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&#39;s behalf.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.40

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

3.50

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gitlab:gitlab:::::community:::*	8.4.0 (including)	14.1.7 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	8.4.0 (including)	14.1.7 (excluding)
cpe:2.3:a:gitlab:gitlab:::::community:::*	14.2 (including)	14.2.5 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	14.2 (including)	14.2.5 (excluding)
cpe:2.3:a:gitlab:gitlab:::::community:::*	14.3 (including)	14.3.1 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	14.3 (including)	14.3.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-39887

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools