5.3Medium

CVE-2026-4945Otter Blocks <= 3.1.7 - Missing Authorization to Unauthenticated Purchase Verification Bypass

themeisle Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE Published: (2 months ago)

Description

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.

Weakness (CWE): CWE-639

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches