{
 "id": "WPSEC-2026-2161",
 "url": "https://wpsec.com/vuln/WPSEC-2026-2161/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-2161/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-2161/index.md",
 "title": "Essential Real Estate <= 5.3.4 - Unauthenticated Arbitrary Email Sending via Contact Agent Form",
 "description": "The Essential Real Estate plugin for WordPress is vulnerable to arbitrary email sending via the contact agent form (ere_contact_agent_ajax AJAX action) in all versions up to, and including, 5.3.4, due to the plugin accepting any user-supplied 'target_email' value without checking that it belongs to an agent, agency or property contact, and using the user-supplied sender name and email in the From header. This makes it possible for unauthenticated attackers to make the site send emails with attacker-controlled content and a spoofed sender to arbitrary recipients.",
 "plugin": {
  "slug": "essential-real-estate",
  "name": "Essential Real Estate",
  "full_name": "Essential Real Estate",
  "wordpress_org": "https://wordpress.org/plugins/essential-real-estate/",
  "advisories_url": "https://wpsec.com/vuln/plugin/essential-real-estate/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/essential-real-estate"
 },
 "type": "CONTENT INJECTION",
 "cwe": [
  "CWE-284"
 ],
 "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": null,
    "from_inclusive": true,
    "to": "5.3.5",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 5.3.5"
  ]
 },
 "introduced_in": null,
 "fixed_in": "5.3.5",
 "remediation": "Update to 5.3.5 or later.",
 "fix_released": "2026-10-30T02:48:45+00:00",
 "published": "2026-10-31T03:41:29+00:00",
 "updated": "2026-10-30T09:30:25.404492+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-2161/",
  "https://plugins.svn.wordpress.org/essential-real-estate/tags/5.3.5/",
  "https://wordpress.org/plugins/essential-real-estate/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/essential-real-estate",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Low",
  "affected_versions": "Low",
  "as_of": "2026-10-31"
 }
}