XSS in Yourls

CVE-2020-27388

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (50.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-27388?
CVE-2020-27388 is a medium-severity vulnerability in Yourls, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-23.
How severe is CVE-2020-27388?
Medium severity. CVSS v3 base score is 5.4 out of 10.