Unrated severityNVD Advisory· Published Aug 6, 2026
Nexter Blocks < 5.0.2 - Author+ Stored XSS via SVG Upload
CVE-2025-15678
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <5.0.2
Patches
Vulnerability mechanics
References
1- wpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2/mitreexploitvdb-entrytechnical-description
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