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CVE-2023-1836

MEDIUM
5.4
CVSS Score
Published: May 3, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:28 AM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances

Affected

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

GitLab· GitLabmaven
95%
v < 15.10.5v < 15.11.1v < 15.9.615.10 ≤ v < 15.10.515.11 ≤ v < 15.11.15.1 ≤ v < 15.9.6
Affected range stops below 15.10.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.11.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.9.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Third Party Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1836.json
Broken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/404613
Permissions Required
Source: [email protected]
https://hackerone.com/reports/1923293

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-79

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