CVE-2021-22223
Client-Side code injection through Feature Flag name in GitLab CE/EE starting with 11.9 allows a specially crafted feature flag name to PUT requests on behalf of other users via clicking on a link
02 Description
Client-Side code injection through Feature Flag name in GitLab CE/EE starting with 11.9 allows a specially crafted feature flag name to PUT requests on behalf of other users via clicking on a link
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 63.1% 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
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2021-07-06 21:50Z5 YR AGO
- Last updated
- 2024-08-03 18:37Z2 YR AGO
- Reserved
- 2021-01-05
- Assigning CNA
- GitLab
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 938dfc503826a9959ec2059fb06d4b1415100073cdc8f598485e7296ca5e3283
05 Affected products
06 References
07 Fixed in
Arch Linux
- gitlab Fixed in 14.0.3-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
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.