CVE-2025-9988 MEDIUM

CVE-2025-9988: Broadstreet <= 1.53.1 - Missing Authorization to Authenticated (Subscriber+) Advertiser Creation

Vendor Broadstreetads
Product Broadstreet
Weakness CWE-285
Published May 13, 2026
Last update May 13, 2026
View on NVD All CVEs

CVSS base score

4.3/10
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:N

What the vulnerability does

01Description

The Broadstreet plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the create_advertiser AJAX action in all versions up to, and including, 1.53.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create advertisers.

Explanation of Vulnerability in Simple Terms

02Summary

Broadstreet versions up to 1.53.1 contain an integrity issue that allows authenticated users to modify data they should not have access to. The vulnerability requires a valid user account and network access but does not require user interaction. Integrity of affected data is compromised, though confidentiality and availability remain unaffected. Update to version 1.53.2 or later.

What an attacker can do

03Attacker Capabilities

Modify data within the application without authorization.

Potential impact on your site

04Site Impact

Authenticated users can alter data they should not be able to change, risking data corruption.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level privileges.

Key dates

06Disclosure timeline

May 13, 2026 CVE published
May 13, 2026 Record updated