{
 "id": "WPSEC-2026-1916",
 "url": "https://wpsec.com/vuln/WPSEC-2026-1916/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-1916/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-1916/index.md",
 "title": "Brave Popup Builder <= 0.8.8 - Unauthenticated Arbitrary Shortcode Execution via Quiz Score Data",
 "description": "The Brave plugin for WordPress is vulnerable to arbitrary shortcode execution via the 'quizData' parameter of the bravepop_form_submission AJAX action in all versions up to, and including, 0.8.8. This is due to the plugin taking the quiz result (userScore, userCorrect, availableScore, totalQuestions, scoring) from the client-supplied request without validation. It substitutes these values into the form's e-mail, success-message and redirect templates, which are then passed to do_shortcode(). This makes it possible for unauthenticated attackers to execute arbitrary shortcodes and to forge quiz results. The attack works on any site that shows a Brave form whose message, e-mail or redirect template uses a quiz placeholder such as [total_score] or [brave_quizcondition].",
 "plugin": {
  "slug": "brave-popup-builder",
  "name": "Brave Popup Builder",
  "full_name": "Brave – Create Popup, Optins, Lead Generation, Survey, Sticky Elements & Interactive Content",
  "wordpress_org": "https://wordpress.org/plugins/brave-popup-builder/",
  "advisories_url": "https://wpsec.com/vuln/plugin/brave-popup-builder/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/brave-popup-builder"
 },
 "type": "CONTENT INJECTION",
 "cwe": [
  "CWE-94"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 4.8,
  "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "0.8.9",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 0.8.9"
  ]
 },
 "introduced_in": null,
 "fixed_in": "0.8.9",
 "remediation": "Update to 0.8.9 or later.",
 "fix_released": "2026-10-28T15:08:58+00:00",
 "published": "2026-10-29T18:50:39+00:00",
 "updated": "2026-10-29T17:42:17.792557+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-1916/",
  "https://plugins.svn.wordpress.org/brave-popup-builder/tags/0.8.9/",
  "https://wordpress.org/plugins/brave-popup-builder/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/brave-popup-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": "2026-10-29"
 }
}