CVE-2026-87888: Unknown Yaypricing

High severity, CVSS 8.0. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Yaypricing: before 3.5.7 (fixed in 3.5.7)

Published 2026-09-12. Last modified 2026-09-14.