{"id":"CVE-2026-4429","aliases":["EUVD-2026-20837","GHSA-xhg5-7962-f335"],"status":"published","title":"OSM \u003c= 6.1.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'marker_name' Shortcode Attribute","description":"The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'marker_name' and 'file_color_list' shortcode attribute of the [osm_map_v3] shortcode in all versions up to and including 6.1.15. This is due to insufficient input sanitization and output escaping. 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":"2026-11-10","score":0.00243,"percentile":0.15625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-09T02:25:05Z","modified":"2026-07-24T20:10:00Z","products":[{"vendor":"mika","product":"osm – openstreetmap"},{"vendor":"photoweblog","product":"osm – openstreetmap"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/65dffde9-2a50-41fe-bc21-3d0915068887?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/osm/trunk/osm_map_v3/osm-sc-osm_map_v3.php#L560"},{"url":"https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm_map_v3/osm-sc-osm_map_v3.php#L560"},{"url":"https://plugins.trac.wordpress.org/browser/osm/trunk/osm_map_v3/osm-sc-osm_map_v3.php#L31"},{"url":"https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm_map_v3/osm-sc-osm_map_v3.php#L31"},{"url":"https://plugins.trac.wordpress.org/browser/osm/trunk/osm-icon-class.php#L347"},{"url":"https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm-icon-class.php#L347"},{"url":"https://plugins.trac.wordpress.org/browser/osm/trunk/osm-icon-class.php#L356"},{"url":"https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm-icon-class.php#L356"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3493950%40osm\u0026new=3493950%40osm\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4429"},{"url":"https://github.com/advisories/GHSA-xhg5-7962-f335"}],"sources":{"cve":[{"id":"CVE-2026-4429","title":"OSM \u003c= 6.1.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'marker_name' Shortcode Attribute","description":"The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'marker_name' and 'file_color_list' shortcode attribute of the [osm_map_v3] shortcode in all versions up to and including 6.1.15. This is due to insufficient input sanitization and output escaping. 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":"2026-04-09T02:25:05.932Z","modified":"2026-04-09T17:48:45.193Z","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":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-20837","description":"The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'marker_name' and 'file_color_list' shortcode attribute of the [osm_map_v3] shortcode in all versions up to and including 6.1.15. This is due to insufficient input sanitization and output escaping. 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":"2026-04-09T02:25:05Z","modified":"2026-04-09T17:48:45Z","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":"2026-11-02T19:24:30.741683Z"}],"ghsa":[{"id":"GHSA-xhg5-7962-f335","title":"The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the...","description":"The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'marker_name' and 'file_color_list' shortcode attribute of the [osm_map_v3] shortcode in all versions up to and including 6.1.15. This is due to insufficient input sanitization and output escaping. 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":"2026-04-09T06:30:27Z","modified":"2026-04-09T06:30:35Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:23.752851Z"}],"nvd":[{"id":"CVE-2026-4429","description":"The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'marker_name' and 'file_color_list' shortcode attribute of the [osm_map_v3] shortcode in all versions up to and including 6.1.15. This is due to insufficient input sanitization and output escaping. 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":"2026-04-09T04:17:14.64Z","modified":"2026-07-24T20:10:00.147Z","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":"2026-11-02T14:12:13.902911Z"}]}}