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CVE-2023-2200

Improper Encoding or Escaping of Output in GitLab

MEDIUM
5.4
CVSS Score
Published: July 13, 2023 at 02:02 AM UTC
Updated: June 17, 2026 at 05:51 AM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 7.14 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows an attacker to inject HTML in an email address field.

Affected

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

GitLab· GitLabmaven
95%
16.0 ≤ v < 16.0.616.0.0 ≤ v < 16.0.616.1 ≤ v < 16.1.116.1.0 ≤ v < 16.1.17.14 ≤ v < 15.11.107.14.0 ≤ v < 15.11.1016.016.17.14
Affected range stops below 15.11.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.1, 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:

Patch and advisory references

References (2)

Issue TrackingBroken LinkVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/408281
Technical DescriptionExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1935628

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-116CWE-79

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