CVE-2021-22220

Description

An issue has been discovered in GitLab affecting all versions starting with 13.10. GitLab was vulnerable to a stored XSS in blob viewer of notebooks.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Third-Party Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/294128 broken link
https://hackerone.com/reports/1060114 permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22220.json third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-22220?
CVE-2021-22220 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22220?
To fix CVE-2021-22220, 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-2021-22220 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22220 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-2021-22220?
CVE-2021-22220 affects GitLab GitLab.
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