CVE-2025-15678
Nexter Blocks < 5.0.2 - Author+ Stored XSS via SVG Upload
- State
- Published
- Severity
- 6.1 Medium
- Published
- Aug 6, 2026
- Updated
- Aug 6, 2026
- Reserved
- Jul 24, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Nexter BlocksUnknown |
|
References
- https://wpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2/exploitvdb-entrytechnical-description
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