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Broadstreet WordPress Plugin CVE-2026-1881

| EUVD-2026-31206 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-05-21 Wordfence GHSA-2rfp-x828-47hv
4.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
May 21, 2026 - 02:27 vuln.today

DescriptionNVD

The Broadstreet plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.52.2 via the get_sponsored_meta AJAX action due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disclose any private post metadata.

AnalysisAI

Insecure Direct Object Reference in the Broadstreet WordPress plugin (all versions through 1.52.2) allows any authenticated user with Subscriber-level access to read arbitrary private post metadata by supplying a user-controlled key to the get_sponsored_meta AJAX endpoint without server-side authorization checks. The vulnerability stems from a missing object-level authorization check (CWE-639), a common class of flaw in WordPress plugin AJAX handlers. …

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CVE-2026-1881 vulnerability details – vuln.today

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