Public proof of conceptFix available

CVE-2023-2442

Q: Is CVE-2023-2442 actively exploited?

A proof-of-concept exploit exists for CVE-2023-2442, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2023-2442?

CVE-2023-2442 has a CVSS v3 base score of 5.4 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

A public proof of concept exists; no exploitation attested.

Published2023-06-07
Fixed in16.0.2 · 15.11.7
WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.

Timeline

dates in UTC

2023-06-0716:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-2442?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-2442?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

GitLab

Branch	Affected	Fixed in	Source
16.0	≥ 16.0.0, < 16.0.2	16.0.2	NVD
15.11	≥ 15.11.0, < 15.11.7	15.11.7	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update GitLab to 16.0.2 · 15.11.7

Advisories and patches

gitlab.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2025-01-07
OpenCVESSVC decisionpoc—
CNACVSS 3.18.7read 2026-10-23
NVDCVSS 3.15.4read 2026-10-23
CISA-ADPweakness (CWE)CWE-792025-01-07
NVDweakness (CWE)CWE-79read 2026-10-23
FIRST EPSSEPSS score96.1 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Published: 2023-06-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-2442?

Is CVE-2023-2442 actively exploited?

A proof-of-concept exploit exists for CVE-2023-2442, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-2442?

CVE-2023-2442 has a CVSS v3 base score of 5.4 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

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