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…

High · published August 25, 2021

Patch now

High probability of exploitation

CVSS calls it high at 8.7. It sits in the 99.2th percentile for exploit probability.

CVSS v3.1
8.7
EPSS
64%
Percentile
99.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.63555 · 99.2th percentile
Published
2021-08-25T18:38Z
EPSS history
Timeline
  • 25 AUG 18:38Z
    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…
    cvelistv5