Broadstreet <= 1.53.1 - Missing Authorization to Authenticated (Subscriber+) Advertiser Creation

4.3
Improper Authorization
CVE CVE-2025-9988
CVSS 4.3 (Medium)
Publicly Published May 12, 2026
Last Updated May 13, 2026
Researcher greenhats - Student

Description

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.

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Vulnerability Details for Broadstreet

Software Type Plugin
Software Slug broadstreet (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.53.2, or a newer patched version
Affected Version
  • <= 1.53.1
Patched Version
  • 1.53.2

Recent vulnerabilities in Broadstreet

# Title CVE ID CVSS Researchers Date
1 Broadstreet <= 1.52.2 - Authenticated (Subscriber+) Private Post Meta Disclosure via get_sponsored_meta CVE-2026-1881 4.3 Tarcísio Luchesi De Almeida Silva (Poystick) May 20, 2026
2 Broadstreet <= 1.53.1 - Authenticated (Subscriber+) Information Disclosure CVE-2025-9987 5.3 greenhats May 12, 2026
3 Broadstreet <= 1.53.1 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2025-9989 4.4 greenhats May 12, 2026
4 Broadstreet Ads <= 1.52.2 - Missing Authorization CVE-2026-45210 4.3 Nabil Irawan February 21, 2026
5 Broadstreet Ads <= 1.52.1 - Missing Authorization CVE-2025-69311 4.3 Que Thanh Tuan January 19, 2026
6 Broadstreet Ads <= 1.51.7 - Reflected Cross-Site Scripting CVE-2025-4652 6.1 Tommaso Gregori May 29, 2025
7 Broadstreet <= 1.51.2 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-48113 6.4 kmaron1n May 16, 2025
8 Broadstreet <= 1.52.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2025-32211 6.4 Kévin Mosbahi (Mika) April 7, 2025
9 Broadstreet <= 1.51.1 - Cross-Site Request Forgery CVE-2025-32270 4.3 Nguyen Xuan Chien April 4, 2025
10 Broadstreet <= 1.51.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via zone Parameter CVE-2024-11825 6.4 Peter Thaleikis January 24, 2025

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