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.
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Fixes
Solution
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Workaround
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References
History
Fri, 07 Aug 2026 10:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Posimyth
Posimyth nexter Blocks Wordpress Wordpress wordpress |
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| Vendors & Products |
Posimyth
Posimyth nexter Blocks Wordpress Wordpress wordpress |
Thu, 06 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-79 | |
| Metrics |
cvssV3_1
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Thu, 06 Aug 2026 06:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Nexter Blocks < 5.0.2 - Author+ Stored XSS via SVG Upload | |
| References |
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Projects
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Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-08-06T14:39:13.063Z
Reserved: 2026-07-24T10:09:42.179Z
Link: CVE-2025-15678
Updated: 2026-08-06T14:39:08.529Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-08-07T10:04:40Z
Weaknesses