CVE-2026-4945Otter Blocks <= 3.1.7 - Missing Authorization to Unauthenticated Purchase Verification Bypass
Updated under an hour ago ()
Does this affect you?
It affects themeisle Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
themeisle Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE themeisle:otter_blocks_gutenberg_blocks_page_builder_for_gutenberg_editor_and_fse (from the name) | through 3.1.7 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7ecb9f61-68d5-4c70-8d7d-e4fb067fcff9?source=cve
- https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/render/class-stripe-checkout-block.php#L69
- https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-stripe-api.php#L234
- https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-stripe-api.php#L304
- https://plugins.trac.wordpress.org/changeset/3496611/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.