CVE-2020-13262

Description

Client-Side code injection through Mermaid markup in GitLab CE/EE 12.9 and later through 13.0.1 allows a specially crafted Mermaid payload to PUT requests on behalf of other users via clicking on a link

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/211949 broken link
https://hackerone.com/reports/824689 permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13262.json vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13262?
CVE-2020-13262 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13262?
To fix CVE-2020-13262, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13262 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13262 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13262?
CVE-2020-13262 affects GitLab GitLab.
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