{
 "id": "WPSEC-2026-2879",
 "url": "https://wpsec.com/vuln/WPSEC-2026-2879/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-2879/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-2879/index.md",
 "title": "Bold Page Builder <= 5.9.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via Leaflet Map 'Additional map layers' Field",
 "description": "The Bold Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Leaflet (OpenStreetMap) map element's custom style ('Additional map layers') field in all versions up to, and including, 5.9.11. This is due to the base64-encoded layer definitions bypassing WordPress's HTML filtering, with layer attribution text written into the page via innerHTML and tile URLs left unvalidated. This makes it possible for authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages that execute whenever a user accesses an injected page.",
 "plugin": {
  "slug": "bold-page-builder",
  "name": "Bold Page Builder",
  "full_name": "Bold Page Builder",
  "wordpress_org": "https://wordpress.org/plugins/bold-page-builder/",
  "advisories_url": "https://wpsec.com/vuln/plugin/bold-page-builder/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/bold-page-builder"
 },
 "type": "XSS",
 "cwe": [
  "CWE-79"
 ],
 "cve": [],
 "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",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "5.9.12",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 5.9.12"
  ]
 },
 "introduced_in": null,
 "fixed_in": "5.9.12",
 "remediation": "Update to 5.9.12 or later.",
 "fix_released": "2026-11-10T09:27:57+00:00",
 "published": "2026-11-12T17:52:14+00:00",
 "updated": "2026-11-12T17:08:01.446336+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-2879/",
  "https://plugins.svn.wordpress.org/bold-page-builder/tags/5.9.12/",
  "https://wordpress.org/plugins/bold-page-builder/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/bold-page-builder",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Medium",
  "affected_versions": "Medium",
  "as_of": "2026-11-12"
 }
}