CVE-2026-4945

Summary

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.1.7 via the 'watch_checkout' function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to pay for a lower-cost product while obtaining entitlement for a premium product by manipulating the product_id parameter independently of the price_id parameter in the Stripe checkout URL.

Affected Software

VendorProductVersion RangeStatus
themeisleOtter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE0 <= 3.1.7affected

Weaknesses

  • CWE-639: CWE-639 Authorization Bypass Through User-Controlled Key

References