VulnerabilityModified
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
MEDIUM 5.4EPSS 63.6%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 63.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 63.55% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22242.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/332528Broken Link
- https://hackerone.com/reports/1212822Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22242.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/332528Broken Link
- https://hackerone.com/reports/1212822Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.