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Fencer Vulns
high 8.7

CVE-2025-0811 json

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

published 2025-03-27 19 mo ago modified 2026-09-10 59 d ago also BIT-gitlab-2025-0811 , EUVD-2025-8410

cvss
8.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

An issue has been discovered in GitLab CE/EE affecting all versions from 17.7 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Improper rendering of certain file types leads to cross-site scripting.

Patch / fix

  • bitnami gitlab 17.10.1
  • GitLab GitLab 17.8.6, 17.9.3, 17.10.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/2961854 referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/515566 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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
OSV 3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=17.7.0, <17.10.1
17.10.1

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: Added CPE configurations because not yet analyzed by NVD.