CVE-2025-58619 HIGH

CVE-2025-58619: WordPress Falang multilanguage Plugin <= 1.3.65 - PHP Object Injection Vulnerability

Vendor Sbouey
Product Falang multilanguage
Weakness CWE-502 · Unsafe deserialization
Published November 6, 2025
Last update April 28, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in sbouey Falang multilanguage falang allows Object Injection.This issue affects Falang multilanguage: from n/a through <= 1.3.65.

Explanation of Vulnerability in Simple Terms

02Summary

Falang multilanguage versions up to 1.3.65 contain a deserialization vulnerability that allows attackers to execute arbitrary code on the site. An attacker can craft a malicious serialized object that, when deserialized by the application, runs their own PHP code. The attack requires user interaction—typically a victim must visit a malicious link or page—but does not require authentication.

What an attacker can do

03Attacker Capabilities

Run their own code on the site with full access to the database and files.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, create admin accounts, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access and user interaction (victim must click a link or visit a page).

Key dates

06Disclosure timeline

November 6, 2025 CVE published
April 28, 2026 Record updated