Is CVE-2026-46670 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-46670?

CVE-2026-46670 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-46670

Description

YesWiki is a wiki system written in PHP. Prior to version 4.6.4, an unauthenticated SQL injection in the Bazar form-import path (`FormManager::create()`) allows any unauthenticated visitor of a default YesWiki install to inject arbitrary SQL into an `INSERT` statement and read the full database, including `yeswiki_users.password` hashes. Version 4.6.4 fixes the issue.