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Fencer Vulns
low 3.5

CVE-2021-22182 json

An issue has been discovered in GitLab affecting all versions starting with 13.7.

published 2021-03-03 5 y ago modified 2026-09-08 2 mo ago also BIT-gitlab-2021-22182 , EUVD-2021-9328

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

An issue has been discovered in GitLab affecting all versions starting with 13.7. GitLab was vulnerable to a stored XSS in merge request.

Patch / fix

  • bitnami gitlab 13.7.6, 13.8.2
  • gitlab gitlab 13.7.6, 13.8.2
  • gitlab gitlab_enterprise 13.7.6, 13.8.2

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/280779 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
OSV 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=13.7.0, <13.7.6
>=13.8.0, <13.8.2
13.7.6
13.8.2

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Enhance with deb and rpm package type records.