Public proof of conceptFix available

CVE-2023-2164

Q: Is CVE-2023-2164 actively exploited?

A proof-of-concept exploit exists for CVE-2023-2164, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2023-2164?

CVE-2023-2164 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.

Published2023-08-02
Fixed in16.2.2 · 16.1.3 · 16.0.8
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 affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible for an attacker to trigger a stored XSS vulnerability via user interaction with a crafted URL in the WebIDE beta.

Timeline

dates in UTC

2023-08-0200:15CVE 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-2023-2164?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-2164?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
16.2	≥ 16.2, < 16.2.2	16.2.2	NVD
16.1	≥ 16.1, < 16.1.3	16.1.3	NVD
16.0	≥ 15.9, < 16.0.8	16.0.8	NVD

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

Fix

Update GitLab to 16.2.2 · 16.1.3 · 16.0.8

Detection

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

Sources

CISA-ADPSSVC decisionpoc2024-07-24
OpenCVESSVC decisionpoc—
CNACVSS 3.15.4read 2026-10-23
NVDCVSS 3.15.4read 2026-10-23
CNAweakness (CWE)CWE-79read 2026-10-23
NVDweakness (CWE)CWE-79read 2026-10-23
FIRST EPSSEPSS score66.3 %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: 2023-08-02
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-2164?

Is CVE-2023-2164 actively exploited?

A proof-of-concept exploit exists for CVE-2023-2164, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-2164?

CVE-2023-2164 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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