Vulnerability · Published Oct 23, 2026 · Assigned by WPScan
CVE-2026-109933Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes
Medium 6.8
In plain English
A medium-severity cross-site scripting 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 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 76.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Otter Blocks | 0 – before 3.2.8 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/a2a19770-9ee2-4164-9ea6-a882cf0085e9/ exploit, vdb-entry, technical-description