01 Record
CVE-2023-3500
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
MediumPUBLISHEDCNA: GitLab
CNA base score4.8 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
02 Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.4% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-08-02 00:07Z3 YR AGO
- Last updated
- 2025-11-20 04:07Z11 MO AGO
- Reserved
- 2023-07-04
- Assigning CNA
- GitLab
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.2
- Document digest
- 1bb27c6c487dc9eb459f7e21ab880cab50b1ac8d3c1204396ba6234d87c5e75c
05 Affected products
VendorProductVersionsPlatforms
06 References
- gitlab.comGitLab Issue #416902https://gitlab.com/gitlab-org/gitlab/-/issues/416902
- hackerone.comHackerOne Bug Bounty Report #2010926https://hackerone.com/reports/2010926
07 Remediation
Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above.
08 Fixed in
Ubuntu 16.04 LTS
- gitlab No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.