CVE-2025-9988 broadstreetads CVE debrief

Who should care

Defenders responsible for WordPress installations with the Broadstreet plugin should assess their exposure and prioritize verification and remediation. This includes reviewing the plugin version, updating to a fixed version if necessary, and monitoring for potential exploitation attempts. Security teams should also review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

The Broadstreet plugin for WordPress is vulnerable to unauthorized access, allowing authenticated attackers to create advertisers. Defenders should prioritize verifying exposure and remediation.

• Authenticated attackers with Subscriber-level access can create advertisers
• Potential for unauthorized access to sensitive data or functionality
• Need to verify plugin version and update to a fixed version
• Possible impact on website integrity and user trust

Technical summary

The Broadstreet plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the create_advertiser AJAX action. This allows authenticated attackers with Subscriber-level access and above to create advertisers. The vulnerability is a result of insufficient access controls, which could lead to unauthorized modifications to advertiser data. Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and ensure that the plugin is updated to a fixed version.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and ensure that the plugin is updated to a fixed version.

Recommended defensive actions

• Verify the presence of the Broadstreet plugin in your WordPress installation
• Check if the plugin version is 1.53.1 or earlier
• Update the plugin to a fixed version if necessary
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, including its description, CVSS score, and affected versions. The Broadstreet plugin for WordPress has a known vulnerability (CVE-2025-9988) that allows authenticated attackers with Subscriber-level access and above to create advertisers due to a missing capability check. The vulnerability was reported by [email protected] and affects all versions up to, and including, 1.53.1. There is no evidence of public exploitation, but defenders should verify the presence

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.