CVE-2025-9222

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

MEDIUM
5.4
CVSS Score
Published: January 9, 2026 at 10:04 AM UTC
Updated: July 15, 2026 at 02:17 AM UTC
1 product affected across 1 vendorGitLab

Using GitLab by GitLab?

Get instant alerts when new vulnerabilities affect GitLab - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.2 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to achieve stored cross-site scripting by exploiting GitLab Flavored Markdown.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

18.2.2 ≤ v < 18.5.518.6 ≤ v < 18.6.318.6.0 ≤ v < 18.6.318.7 ≤ v < 18.7.118.2.218.618.718.7.0
Affected range stops below 18.5.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.6.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.7.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

Issue TrackingPermissions RequiredBroken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/562561
Technical DescriptionExploitPermissions Required
https://hackerone.com/reports/3297483
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2025-9222
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2428222

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card