Vulnerability · Published Oct 18, 2026 · Assigned by WPScan
CVE-2026-109937Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block
Medium 5.4
In plain English
A medium-severity open redirect in Otter Blocks from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 96.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Otter Blocks WordPress plugin before 3.2.3 does not validate that a user-supplied return URL belongs to the site before using it to build the return destination of a Stripe Checkout session, allowing unauthenticated attackers to redirect victims who complete or cancel checkout to an arbitrary external URL.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Otter Blocks | 0 – before 3.2.3 |
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
References
- https://wpscan.com/vulnerability/9765313d-c879-457f-851f-dab74b8d90a0/ exploit, vdb-entry, technical-description