GHSA-pwgg-r6fq-mf94

YOURLS Stored Cross Site Scripting (XSS)

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-27388

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	yourls/yourls	>= 1.5, < 1.8	1.8

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2020-27388 advisory
https://github.com/YOURLS/YOURLS/pull/2761 web
https://github.com/YOURLS/YOURLS/pull/2761/commits/93396c14587ece4f3d7bcb654f6d22eb0bae7d74 web
https://github.com/YOURLS/YOURLS/commit/04495e8b17ffeedb695ef5a64389f6bee15d57fb web
https://github.com/YOURLS/YOURLS package
https://johnjhacking.com/blog/cve-2020-27388 web
http://yourls.org web