CVE-2024-4901: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’) in GitLab
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-08 00:03 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
An issue was discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, where a stored XSS vulnerability could be imported from a project with malicious commit notes.
Description quoted from the CVE record (assigned by GitLab, published 2024-06-26).
Weakness: CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)
How it can be exploited
Exploitable over the network with low attack complexity needing low privileges and a user must take an action. Impact: confidentiality high, integrity high, availability none. CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CISA assessment (SSVC): CISA has no evidence of exploitation. Automatable: no. Technical impact: total.
Public exploit evidence (Exploit Observer)
Exploit Observer has not indexed exploit code for this CVE, but the CVE record links exploit code (see the references below). Check Exploit Observer for more.
Live scores
- EPSS
- 0.335
likely to be attacked soon - VEDAS
- 0.976
strong exploit evidence - On CISA KEV
- Not listed
- Detection rule
- No public rule yet
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| GitLab | from 16.9 before 16.11.5 from 17.0 before 17.0.3 from 17.1 before 17.1.1 | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
Fixed versions stated in the CVE record: 16.11.5, 17.0.3, 17.1.1.
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
References
Exploit code
- HackerOne Bug Bounty Report #2500163 (technical-description, exploit, permissions-required)
Technical analysis and advisories
- GitLab Issue #461773 (issue-tracking, permissions-required)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.
Supporting partners
