Inline Script Injection Vulnerability in Otter Blocks Plugin for WordPress
CVE-2026-109933
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 23 October 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-109933?
The Otter Blocks plugin for WordPress prior to version 3.2.8 is susceptible to a script injection vulnerability due to improper sanitization and escaping of user-supplied block styling values in inline stylesheets. This flaw enables users with contributor-level access and higher to inject arbitrary scripts. These scripts will execute whenever any visitor, including site administrators, views the affected post, potentially compromising site security and user data.
Affected Version(s)
Otter Blocks 0 < 3.2.8
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.