Is CVE-2026-104465 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-104465?

CVE-2026-104465 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-104465

Description

YesWiki before 4.6.7 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the field parameter of the mail handler. Attackers can craft links whose field value breaks out of the ajax-mail-form action attribute to execute JavaScript in victims' browsers.