CVE-2026-109933
Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes
- State
- Published
- Severity
- 6.8 Medium
- Published
- Oct 23, 2026
- Updated
- Oct 23, 2026
- Reserved
- Oct 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Otter BlocksUnknown |
|
References
- https://wpscan.com/vulnerability/a2a19770-9ee2-4164-9ea6-a882cf0085e9/exploitvdb-entrytechnical-description
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