6.1Mittel

CVE-2026-17577SSL Zen <= 4.7.42 - Reflected Cross-Site Scripting via 'uri' Parameter

sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects Veröffentlicht: (vor 1 Monat)

Beschreibung

The SSL Zen plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'uri' (and 'host') parameters in versions up to, and including, 4.7.42. The ssl_zen_messages::getMessages() function builds the 'token_missmatch' message using base64_decode(sanitize_text_field($_REQUEST['uri'])) and (optionally) base64_decode(sanitize_text_field($_REQUEST['host'])). sanitize_text_field() cannot strip HTML/JavaScript that is hidden inside a base64-encoded blob, and the resulting decoded raw HTML is echoed unescaped by showMessage() . This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a specially crafted link.

Schwachstellentyp (CWE): CWE-79

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects ≤ 4.7.42

Referenzen und Patches