CVE-2024-4901Network attack vector

Stored XSS via imported malicious commit notes

Published Jun 26, 2024 · Updated Sep 17, 2024

Stored XSS in GitLab CE/EE 16.9 through 16.11.4, 17.0 through 17.0.2, and 17.1.0 allows remote authenticated users to run scripts in viewers' browsers. GitLab has not disclosed which import or rendering routine fails to neutralize the malicious commit-note content. Exploitation requires project-import access and a separate user's interaction with a rendered malicious note, enabling browser-context data access and actions as that user.

CVSS severity8.7
High
EPSS probability33.02%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in GitLab CE/EE 16.9 through 16.11.4, 17.0 through 17.0.2, and 17.1.0 allows remote authenticated users to run scripts in viewers' browsers. GitLab has not disclosed which import or rendering routine fails to neutralize the malicious commit-note content. Exploitation requires project-import access and a separate user's interaction with a rendered malicious note, enabling browser-context data access and actions as that user.

The record

CVE
CVE-2024-4901
Published
Jun 26, 2024
Updated
Sep 17, 2024
Vendor
GitLab
Product
GitLab
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 26, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.9 <16.11.5
  2. Affected versionversion=17.0 <17.0.3
  3. Affected versionversion=17.1 <17.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=16.9 <16.11.5; version=17.0 <17.0.3; version=17.1 <17.1.1

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
8.7GitLab Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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