CVE WatchSep 7, 2026

CVE-2026-4945

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Insecure Direct Object Re

CVSS

5.3

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 7, 2026 · Last modified: Sep 7, 2026 · CWE-639

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references

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