{"id":"CVE-2025-15678","aliases":["EUVD-2025-210624","GHSA-mg54-xc87-q8w3"],"status":"published","title":"Nexter Blocks \u003c 5.0.2 - Author+ Stored XSS via SVG Upload","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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00253,"percentile":0.16938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-06T06:00:12Z","modified":"2026-09-29T14:10:00Z","products":[{"vendor":"posimyth","product":"nexter blocks"},{"vendor":"unknown","product":"nexter blocks"}],"references":[{"url":"https://wpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15678"},{"url":"https://wpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2"},{"url":"https://github.com/advisories/GHSA-mg54-xc87-q8w3"}],"sources":{"cve":[{"id":"CVE-2025-15678","title":"Nexter Blocks \u003c 5.0.2 - Author+ Stored XSS via SVG Upload","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.","status":"published","published":"2026-08-06T06:00:12.369Z","modified":"2026-08-06T14:39:13.063Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:37.680845Z"}],"euvd":[{"id":"EUVD-2025-210624","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.","status":"published","published":"2026-08-06T06:00:12Z","modified":"2026-08-06T14:39:13Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:08.553271Z"}],"ghsa":[{"id":"GHSA-mg54-xc87-q8w3","title":"The Nexter Blocks  WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows...","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.","status":"published","published":"2026-08-06T09:30:29Z","modified":"2026-08-06T18:30:44Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:10.387883Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-08-06T07:16:26.66Z","modified":"2026-09-29T14:10:00.117Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:03.20248Z"}]}}