CVE-2018-20496 json
An issue was discovered in GitLab Community and Enterprise Edition 11.2.x through 11.4.x before 11.4.13, 11.5.x before 11.5.6, and 11.6.x b…
published 6y ago modified 4mo ago also EUVD-2018-13050
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
An issue was discovered in GitLab Community and Enterprise Edition 11.2.x through 11.4.x before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. It allows XSS.
Patch / fix
- gitlab gitlab 11.4.13, 11.5.6, 11.6.1
Is CVE-2018-20496 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- gitlab.com https://gitlab.com/gitlab-org/gitlab-ce/issues/54427 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| 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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
gitlab.com
/gitlab-org/gitlab-ce/issues/54427
exploit, vendor-advisory
-
about.gitlab.com
/2018/12/31/security-release-gitlab-11-dot-6-dot-1-released/
vendor-advisory
Sources
- CVE List CVE-2018-20496
- NVD CVE-2018-20496
Fencer Intel 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.