CVE-2026-78257 HIGH

CVE-2026-78257: WordPress Booking and Rental Manager plugin <= 2.7.5 - PHP Object Injection vulnerability

Vendor Magepeopleteam
Product Booking and Rental Manager
Weakness CWE-502 · Unsafe deserialization
Published August 27, 2026
Last update August 27, 2026
View on NVD All CVEs

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Contributor PHP Object Injection in Booking and Rental Manager <= 2.7.5 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Booking and Rental Manager plugin contains a deserialization vulnerability that allows authenticated users to execute arbitrary code on the site. An attacker with low-level access can craft malicious serialized data to trigger code execution with full site privileges. This affects all versions up to 2.7.5.

What an attacker can do

03Attacker Capabilities

Run their own PHP code on the site with full administrative privileges.

Potential impact on your site

04Site Impact

A compromised low-privilege account can lead to complete site takeover, data theft, or malware installation.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account (e.g., customer or subscriber role) on the site.

Key dates

06Disclosure timeline

August 27, 2026 CVE published

Related vulnerabilities

08Related CVE

CVE-2026-4703 WS Form LITE <= 1.10.80 - Unauthenticated PHP Object Injection via Form Submission CVE-2026-27414 WordPress Werkstatt theme <= 4.8.3 - PHP Object Injection vulnerability CVE-2026-65556 WordPress WPBruiser {no- Captcha anti-Spam} plugin <= 3.1.43 - PHP Object Injection vulnerability CVE-2026-66650 WordPress FreightCo theme <= 1.1.15 - PHP Object Injection vulnerability CVE-2026-57738 WordPress 777 theme <= 1.13.0 - PHP Object Injection vulnerability