CVE-2025-26900 CRITICAL

CVE-2025-26900: WordPress Flexmls® IDX Plugin Plugin <= 3.14.27 - PHP Object Injection vulnerability

Vendor Flexmls
Product Flexmls® IDX
Weakness CWE-502 · Unsafe deserialization
Published February 25, 2025
Last update April 28, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in flexmls Flexmls® IDX flexmls-idx allows Object Injection.This issue affects Flexmls® IDX: from n/a through <= 3.14.27.

Key dates

02Disclosure timeline

February 25, 2025 CVE published
April 28, 2026 Record updated