CVE-2025-58619
WordPress vulnerability analysis and mitigation

Overview

The CVE-2025-58619 vulnerability affects the Falang multilanguage WordPress plugin versions 1.3.65 and below. This unauthenticated PHP Object Injection vulnerability was discovered by researcher Nguyen Xuan Chien and publicly disclosed on September 16, 2025 (Wordfence Intel, Patchstack Database).

Technical details

The vulnerability is classified as a PHP Object Injection with a high CVSS score of 8.8. It falls under the OWASP Top 10 category A3: Injection. The vulnerability requires no authentication to exploit, making it particularly dangerous (Patchstack Database).

Impact

This vulnerability could enable malicious actors to execute code injection, SQL injection, path traversal, and denial of service attacks if a proper POP chain is present (Patchstack Database).

Mitigation and workarounds

The vulnerability has been patched in version 1.3.66 of the Falang multilanguage plugin. Users are strongly advised to update to version 1.3.66 or later immediately. Patchstack has issued a mitigation rule to block any attacks until users update to the fixed version (Patchstack Database).

Additional resources


SourceThis report was generated using AI

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