Is CVE-2026-104470 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-104470?

CVE-2026-104470 has a CVSS v3 severity of HIGH (7.4).

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CVE-2026-104470

Description

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in the Bazar valeur action that allows page editors to make the server fetch arbitrary URLs. Attackers can supply loopback or internal URLs in the url parameter to probe internal services and inject unescaped remote HTML that executes scripts in viewers' browsers.