CVE-2025-15678Nexter Blocks < 5.0.2 - Author+ Stored XSS via SVG Upload
Updated under an hour ago ()
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It affects Unknown Nexter Blocks. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 6.1 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Nexter Blocks unknown:nexter_blocks (from the name) | before 5.0.2 | CNA record |
References
- https://wpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.