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.
Published: 2026-09-07
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 08 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 07 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Themeisle
Themeisle otter Blocks – Gutenberg Blocks, Page Builder For Gutenberg Editor & Fse
Wordpress
Wordpress wordpress
Vendors & Products Themeisle
Themeisle otter Blocks – Gutenberg Blocks, Page Builder For Gutenberg Editor & Fse
Wordpress
Wordpress wordpress

Mon, 07 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
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.
Title Otter Blocks <= 3.1.7 - Missing Authorization to Unauthenticated Purchase Verification Bypass
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Subscriptions

Themeisle Otter Blocks – Gutenberg Blocks, Page Builder For Gutenberg Editor & Fse
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-09-08T13:57:39.203Z

Reserved: 2026-03-27T00:20:00.000Z

Link: CVE-2026-4945

cve-icon Vulnrichment

Updated: 2026-09-08T13:57:13.370Z

cve-icon NVD

Status : Deferred

Published: 2026-09-07T13:20:22.070

Modified: 2026-09-08T14:17:23.673

Link: CVE-2026-4945

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T16:15:17Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key