Is CVE-2026-104473 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-104473?

CVE-2026-104473 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-104473

Description

YesWiki before 4.5.3 contains multiple reflected cross-site scripting vulnerabilities that allow remote attackers to inject JavaScript through unsanitized parameters such as incomingurl, id, file, tags, and template. Attackers can lure authenticated or unauthenticated users into opening crafted links to hijack sessions and trigger authenticated requests against backend functionality.