{"id":"CVE-2026-4389","aliases":["EUVD-2026-16106","GHSA-p529-4vj7-h7jm"],"status":"published","title":"DSGVO snippet for Leaflet Map and its Extensions \u003c= 3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'unset' Attribute","description":"The DSGVO snippet for Leaflet Map and its Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `leafext-cookie-time` and `leafext-delete-cookie` shortcodes in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes (`unset`, `before`, `after`). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00244,"percentile":0.15681,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-26T04:28:48Z","modified":"2026-06-17T10:56:30Z","products":[{"vendor":"hupe13","product":"dsgvo snippet for leaflet map and its extensions"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/dfeaff92-165a-4006-8e52-a99ae6b68dd9?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/dsgvo-leaflet-map/trunk/php/time-delete.php#L35"},{"url":"https://plugins.trac.wordpress.org/browser/dsgvo-leaflet-map/tags/3.1/php/time-delete.php#L35"},{"url":"https://plugins.trac.wordpress.org/browser/dsgvo-leaflet-map/tags/3.4"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3489426%40dsgvo-leaflet-map%2Ftrunk\u0026old=3488424%40dsgvo-leaflet-map%2Ftrunk\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4389"},{"url":"https://github.com/advisories/GHSA-p529-4vj7-h7jm"}],"sources":{"cve":[{"id":"CVE-2026-4389","title":"DSGVO snippet for Leaflet Map and its Extensions \u003c= 3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'unset' Attribute","description":"The DSGVO snippet for Leaflet Map and its Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `leafext-cookie-time` and `leafext-delete-cookie` shortcodes in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes (`unset`, `before`, `after`). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-03-26T04:28:48.801Z","modified":"2026-04-08T17:28:35.417Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-16106","description":"The DSGVO snippet for Leaflet Map and its Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `leafext-cookie-time` and `leafext-delete-cookie` shortcodes in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes (`unset`, `before`, `after`). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-03-26T04:28:48Z","modified":"2026-04-08T17:28:35Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:36.927129Z"}],"ghsa":[{"id":"GHSA-p529-4vj7-h7jm","title":"The DSGVO snippet for Leaflet Map and its Extensions plugin for WordPress is vulnerable to Stored...","description":"The DSGVO snippet for Leaflet Map and its Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `leafext-cookie-time` and `leafext-delete-cookie` shortcodes in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes (`unset`, `before`, `after`). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-03-26T06:30:21Z","modified":"2026-03-26T06:30:27Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:06:52.37988Z"}],"nvd":[{"id":"CVE-2026-4389","description":"The DSGVO snippet for Leaflet Map and its Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `leafext-cookie-time` and `leafext-delete-cookie` shortcodes in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes (`unset`, `before`, `after`). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-03-26T05:16:40.667Z","modified":"2026-06-17T10:56:30.477Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:11.678711Z"}]}}