No exploitation reportedFix available

CVE-2023-0050

Q: Is CVE-2023-0050 actively exploited?

Active exploitation of CVE-2023-0050 has not been confirmed. Its EPSS score was 92.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-0050?

CVE-2023-0050 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.

No exploitation reported by the sources we read.

Published2023-03-09
Fixed in15.9.2 · 15.8.4 · 15.7.8
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 13.7 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. A specially crafted Kroki diagram 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

2023-03-0922:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 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-2023-0050?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-0050?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

GitLab

Branch	Affected	Fixed in	Source
15.9	≥ 15.9, < 15.9.2	15.9.2	NVD
15.9	≥ 15.9.0, < 15.9.2	15.9.2	OSV
15.8	≥ 15.8, < 15.8.4	15.8.4	NVD
15.8	≥ 15.8.0, < 15.8.4	15.8.4	OSV
15.7	≥ 13.7, < 15.7.8	15.7.8	NVD
15.7	≥ 13.7.0, < 15.7.8	15.7.8	OSV

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

Fix

Update GitLab to 15.9.2 · 15.8.4 · 15.7.8

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 decisionnone2025-02-28
OpenCVESSVC decisionnone—
CNACVSS 3.18.7read 2026-10-23
NVDCVSS 3.15.4read 2026-10-23
NVDweakness (CWE)CWE-79read 2026-10-23
FIRST EPSSEPSS score92.4 %read 2026-10-23
OSVaffected packages—

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: 2023-03-09
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-0050?

Is CVE-2023-0050 actively exploited?

Active exploitation of CVE-2023-0050 has not been confirmed. Its EPSS score was 92.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-0050?

CVE-2023-0050 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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