Base Score

MEDIUM5.4

CVE-2021-22242

Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

VectorNETWORK

Published Bycve@gitlab.com

Published DateAug 25, 2021, 19:15

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

5.4

Vector String

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

Base Severity

MEDIUM

Version

3.1

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

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22242.json
https://gitlab.com/gitlab-org/gitlab/-/issues/332528
https://hackerone.com/reports/1212822

Base Score

MEDIUM5.4

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

5.4

Vector String

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

Base Severity

MEDIUM

Version

3.1

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