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CVE-2021-22242

Published: 25 August 2021

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

Priority

Medium

Cvss 3 Severity Score

5.4

Score breakdown

Status

Package Release Status
gitlab
Launchpad, Ubuntu, Debian
hirsute Does not exist

kinetic Does not exist

lunar Does not exist

upstream Needs triage

bionic Does not exist

trusty Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

xenial Needed

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 5.4
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N