The Falang multilanguage for WordPress plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.65 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.
CVE-2025-58619 is a high severity with CVSS 8.1 Vulnerability issue affecting the Plugin Falang multilanguage for WordPress. It affects Versions up to 1.3.65 and is fixed in 1.3.66.
CVE-2025-58619 is tracked for the Plugin Falang multilanguage for WordPress as high severity with CVSS 8.1. The affected range is Versions up to 1.3.65. Update Falang multilanguage for WordPress to 1.3.66 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
falang
View on wordpress.org
|
| CVE | CVE-2025-58619 |
| Patched Versions |
1.3.66
|
| Affected Versions |
Versions up to 1.3.65
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Falang multilanguage <= 1.3.47 - Authenticated (Administrator+) SQL Injection
Falang multilanguage for WordPress <= 1.3.52 - Missing Authorization to Translation Update and Information Exposure
Falang multilanguage <= 1.3.39 - Cross-Site Request Forgery via add_language
Falang multilanguage for WordPress <= 1.3.49 - Authenticated (Administrator+) Stored Cross-Site Scripting
Falang multilanguage <= 1.3.61 - Cross-Site Request Forgery
Falang multilanguage <= 1.3.51 - Cross-Site Request Forgery
Falang multilanguage for WordPress < 1.3.18 - Reflected Cross-Site Scripting
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