Medium CVSS 5.1

Overview

A reflected XSS vulnerability in RSMail! component 1.19.20 - 1.22.26 28 Joomla was discovered. The issue allows remote attackers to inject arbitrary web script or HTML via the crafted parameter.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.1 (MEDIUM)
  • Detected tags: joomla, reflected_xss, xss (tag impact: MODERATE)

Recommended actions:

  • Sanitize reflected input and apply output encoding.
  • Apply context-aware output encoding.
  • Enable Content-Security-Policy and HttpOnly/SameSite cookies.

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