CVE-2025-28961 CRITICAL

CVE-2025-28961: WordPress URL Shortener <= 3.0.7 - PHP Object Injection Vulnerability

Vendor Md Yeasin Ul Haider
Product URL Shortener
Weakness CWE-502 · Unsafe deserialization
Published July 16, 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 Md Yeasin Ul Haider URL Shortener exact-links allows Object Injection.This issue affects URL Shortener: from n/a through <= 3.0.7.

Explanation of Vulnerability in Simple Terms

02Summary

URL Shortener versions 3.0.7 and earlier contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site. The vulnerability requires no user interaction and can be exploited over the network. An attacker can gain full control of the affected installation.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site and take complete control of it.

Potential impact on your site

04Site Impact

Complete compromise of the site, including data theft, malware injection, and loss of availability.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

July 16, 2025 CVE published
April 28, 2026 Record updated