VULNERABILITY INTELLIGENCE

CVE-2020-36399

CVSS score5.4 MEDIUM

EPSS probability0.51%

CISA KEVNot currently listed

Published2021-07-02

Last modified2026-06-17

Description

A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.