YOURLS Stored Cross Site Scripting (XSS)
Multiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10. An authenticated user must modify a PHP plugin with a malicious payload and upload it, resulting in multiple stored XSS issues.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | yourls/yourls | >= 1.5, < 1.8 | 1.8 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-27388
- https://github.com/YOURLS/YOURLS/pull/2761
- https://github.com/YOURLS/YOURLS/pull/2761/commits/93396c14587ece4f3d7bcb654f6d22eb0bae7d74
- https://github.com/YOURLS/YOURLS/commit/04495e8b17ffeedb695ef5a64389f6bee15d57fb
- https://github.com/YOURLS/YOURLS
- https://johnjhacking.com/blog/cve-2020-27388
- http://yourls.org
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
yourls/yourls- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-pwgg-r6fq-mf94 - CC BY 4.0
Vulnerability history: yourls/yourls
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 09.2019 08.2026
- Without a fix
- 4
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 4
- Low 1
Disclosures per year
- 2019: 1
- 2020: 0
- 2021: 3
- 2022: 2
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 1
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YOURLS Stored Cross Site Scripting (XSS) this entry
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