CVE-2024-34821 MEDIUM

CVE-2024-34821: WordPress Contact List plugin <= 2.9.87 - Broken Access Control vulnerability

Vendor Anssi Laitila
Product Contact List
Weakness CWE-862 · Missing authorization
Published June 11, 2024
Last update April 28, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Anssi Laitila Contact List contact-list.This issue affects Contact List: from n/a through <= 2.9.87.

Explanation of Vulnerability in Simple Terms

02Summary

Contact List versions 2.9.87 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify data through network requests. The vulnerability does not expose sensitive information or disrupt availability, but permits unauthorized changes to contact records. Site administrators should update to a version newer than 2.9.87 when available.

What an attacker can do

03Attacker Capabilities

Modify contact list data without authentication or permission.

Potential impact on your site

04Site Impact

Contact records can be altered or corrupted by unauthorized parties without your knowledge.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 11, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE