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CVE-2023-3922

URL Redirection to Untrusted Site ('Open Redirect') in GitLab

HIGH
7.1
CVSS Score
Published: September 29, 2023 at 07:30 AM UTC
Updated: June 17, 2026 at 06:15 AM UTC
1 product affected across 1 vendorGitLab

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Severity
HIGH7.1
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

An issue has been discovered in GitLab affecting all versions starting from 8.15 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible to hijack some links and buttons on the GitLab UI to a malicious page.

Affected

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

GitLab· GitLabmaven
95%
16.2 ≤ v < 16.2.816.3 ≤ v < 16.3.516.3.0 ≤ v < 16.3.516.4 ≤ v < 16.4.18.15 ≤ v < 16.2.816.216.316.416.4.0
Affected range stops below 16.2.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.3.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.4.1, 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 TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/394770
Technical DescriptionExploitPermissions Required
Source: [email protected]
https://hackerone.com/reports/1887323

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

7.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-601

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