Medium severity4.3NVD Advisory· Published Oct 4, 2021· Updated Jun 17, 2026
CVE-2021-39873
CVE-2021-39873
Description
In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.
Affected products
7cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*+ 5 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=1.0.0,<14.1.7
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=1.0.0,<14.1.7
- cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:enterprise:*:*:*
- (no CPE)range: >=1.0, <14.1.7
- (no CPE)
Patches
Vulnerability mechanics
References
3- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.jsonnvdVendor Advisory
- hackerone.com/reports/504961nvdPermissions RequiredThird Party Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/27241nvdBroken Link
News mentions
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