CVE-2025-15678
Medium
Description
The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files (Author by default), allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site Scripting.
SeverityMedium
CVSS6.1
Exploit probability—
ProductNexter Blocks
PublishedAug 6, 2026
First seenAug 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Nexter Blocks5.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Nexter Blocks | v < 5.0.2 | 5.0.2 |
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