CVE-2026-87888

HIGH CVSS 3.1: 8.0 EPSS 0.41%
Updated Sep 15, 2026
WordPress
Parameter Value
CVSS 8.0 (HIGH)
Affected Versions before 3.5.7
Type CWE-79 Cross-Site Scripting (XSS), CWE-79 (Cross-Site Scripting (XSS))
Vendor WordPress
Public PoC No

The YayPricing WordPress plugin before 3.5.7 does not perform an authorization check on a REST route that saves its pricing rules, allowing users with the subscriber role and above to store JavaScript that executes in the browser of an administrator who opens the YayPricing WordPress plugin before 3.5.7's settings page.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

unknown:yaypricing