{
 "id": "WPSEC-2026-3148",
 "url": "https://wpsec.com/vuln/WPSEC-2026-3148/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-3148/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-3148/index.md",
 "title": "ShopBoost <= 1.8.9 - Unauthenticated IP Spoofing to Rate Limit Bypass via Quick Order Submission",
 "description": "The ShopBoost plugin for WordPress is vulnerable to IP address spoofing via the Quick Order submission endpoint (flexmior_quick_order_submit) in all versions up to, and including, 1.8.9. This is due to the per-IP submission rate limit being keyed on the client-supplied CF-Connecting-IP and X-Forwarded-For headers, which are trusted ahead of REMOTE_ADDR. This makes it possible for unauthenticated attackers to send a different spoofed header with each request, get a fresh rate-limit bucket every time and flood the store with quick-order submissions and the notification emails they trigger.",
 "plugin": {
  "slug": "flexible-minimum-order",
  "name": "ShopBoost",
  "full_name": "ShopBoost – WooCommerce Toolkit",
  "wordpress_org": "https://wordpress.org/plugins/flexible-minimum-order/",
  "advisories_url": "https://wpsec.com/vuln/plugin/flexible-minimum-order/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/flexible-minimum-order"
 },
 "type": "BYPASS",
 "cwe": [
  "CWE-348"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 5.3,
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": "1.7.3",
    "from_inclusive": true,
    "to": "1.9.0",
    "to_inclusive": false
   }
  ],
  "text": [
   "from 1.7.3 before 1.9.0"
  ]
 },
 "introduced_in": "1.7.3",
 "fixed_in": "1.9.0",
 "remediation": "Update to 1.9.0 or later.",
 "fix_released": "2026-11-13T20:39:52+00:00",
 "published": "2026-11-14T20:42:02+00:00",
 "updated": "2026-11-14T16:17:24.244521+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-3148/",
  "https://plugins.svn.wordpress.org/flexible-minimum-order/tags/1.9.0/",
  "https://wordpress.org/plugins/flexible-minimum-order/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/flexible-minimum-order",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Low",
  "affected_versions": "None seen",
  "as_of": "2026-11-14"
 }
}