Broadstreet: A security weakness
Broadstreet is affected by a security weakness. Exploitation requires at least subscriber-level access. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 1.53.1.
- Component
- Broadstreet
- Plugin slug
broadstreet- Affected
- <= 1.53.1
- Safe version
> 1.53.1- Published
- May 13, 2026
- Weakness
- CWE-285 — Improper Authorization
This CVE was published May 13, 2026 and is one of 11 known issues for this plugin.
Update, patch or deactivate.
Update Broadstreet to a release after 1.53.1, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N