Cross-Site Scripting in swagger-ui
Affected versions of swagger-ui contain a cross-site scripting vulnerability in the key names of a specific nested object in the JSON document.
Proof of Concept
The vulnerable object structure is:
{
"definitions": {
"arbitraryVal": {
"properties": {
"<INJECTABLE_KEY_NAME>": "LoremIpsum"
}
}
}
}Malicious JSON documents can be loaded in by providing a URL to them in the url query string parameter.
Recommendation
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
- https://nvd.nist.gov/vuln/detail/CVE-2016-5682
- https://github.com/swagger-api/swagger-ui/issues/1865
- https://community.rapid7.com/community/infosec/blog/2016/09/02/r7-2016-19-persistent-xss-via-unescaped-parameters-in-swagger-ui
- https://github.com/swagger-api/swagger-ui
- https://www.npmjs.com/advisories/126
- 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-p239-93f7-h6xf - 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
-
Cross-Site Scripting in swagger-ui this entry
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