CVE-2025-4278
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
CVE-2025-4278- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-80
- Updated
- 2026-11-02
EUVDEUVD-2025-18169
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
EUVD-2025-18169- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wjcq-cqhf-f7rm
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18...
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
GHSA-wjcq-cqhf-f7rm- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-80
- Updated
- 2026-11-02
NVD
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
CVE-2025-4278- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-80
- Updated
- 2026-11-02
OSV
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
CVE-2025-4278- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-80
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-4278
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
UBUNTU-CVE-2025-4278- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
OSVBIT-gitlab-2025-4278 No score
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.
- Record
BIT-gitlab-2025-4278- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-4278 is a high vulnerability (CVSS 8.7) in Gitlab, published June 12, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.9%, the 95th percentile. Fixed in gitlab 18.0.2.