CVE-2026-45210 MEDIUM

CVE-2026-45210: WordPress Broadstreet Ads plugin <= 1.52.2 - Broken Access Control vulnerability

Vendor Broadstreet
Product Broadstreet Ads
Weakness CWE-862 · Missing authorization
Published May 12, 2026
Last update May 12, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Broadstreet Broadstreet Ads broadstreet allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Broadstreet Ads: from n/a through <= 1.52.2.

Explanation of Vulnerability in Simple Terms

02Summary

Broadstreet Ads versions 1.52.2 and earlier lack proper authorization checks, allowing authenticated users to modify or disable ad campaigns and settings they should not have access to. An attacker with a low-privilege account can alter ad integrity or availability without the necessary permissions. The vulnerability requires valid login credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Modify or disable ad campaigns and settings belonging to other users or accounts.

Potential impact on your site

04Site Impact

Ad campaigns may be altered or disabled by unauthorized users, disrupting advertising operations and data integrity.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the Broadstreet Ads system.

Key dates

06Disclosure timeline

May 12, 2026 CVE published
May 12, 2026 Record updated

Related vulnerabilities

08Related CVE