CVE-2021-22238
GitLab was vulnerable to a stored XSS by using the design feature in issues.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 71.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue has been discovered in GitLab affecting all versions starting with 13.3. GitLab was vulnerable to a stored XSS by using the design feature in issues.
- 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
- 71.79% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
EPSS 71.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22238.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/332420Broken Link
- https://hackerone.com/reports/1212067Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22238.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/332420Broken Link
- https://hackerone.com/reports/1212067Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.