CVE-2025-15678mediumCWE-79

CVE-2025-15678: medium-severity vulnerability in Nexter Blocks

Nexter Blocks < 5.0.2 - Author+ Stored XSS via SVG Upload

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.1epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
Unknown · Nexter Blocks
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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