Cross-Site Scripting in swagger-ui
Versions of swagger-ui prior to 3.20.9 are vulnerable to Cross-Site Scripting (XSS). The package fails to sanitize URLs used in the OAuth auth flow, which may allow attackers to execute arbitrary JavaScript.
Recommendation
Upgrade to version 3.20.9 or later.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | swagger-ui | < 3.20.9 | 3.20.9 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- npm
- Package
swagger-ui- Disclosed
- 11.09.2020
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4f9m-pxwh-68hg - 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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