CVE-2020-12276
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
CVE-2020-12276- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
CVE-2020-12276- Updated
- 2026-11-02
EUVDEUVD-2020-4589 No score
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
EUVD-2020-4589- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m77g-m5w2-j2f3 No score
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
GHSA-m77g-m5w2-j2f3- Updated
- 2026-11-02
OSV
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
CVE-2020-12276- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-12276
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
UBUNTU-CVE-2020-12276- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-gitlab-2020-12276 No score
GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
- Record
BIT-gitlab-2020-12276- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12276 is a medium vulnerability (CVSS 4.8) in Gitlab, published April 29, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. Fixed in gitlab 12.7.8.