--- title: "CVE-2026-93901: Optima Express IDX - Privilege Escalation" description: "Optima Express IDX WordPress plugin <= 8.7.5 contains a privilege escalation caused by lack of capability check and nonce verification in provisionBlogCredentials() reachable via wp_ajax_nopriv_ihf_clear_cache, letting unauthenticated attackers escalate a pre-registered optima-express user to Author role, exploit requires open user registration and pre-registration of optima-express username." url: https://panop.io/threat-heartbeat/CVE-2026-93901/ --- # CVE-2026-93901 Optima Express IDX - Privilege Escalation Optima Express IDX WordPress plugin <= 8.7.5 contains a privilege escalation caused by lack of capability check and nonce verification in provisionBlogCredentials() reachable via wp\_ajax\_nopriv\_ihf\_clear\_cache, letting unauthenticated attackers escalate a pre-registered optima-express user to Author role, exploit requires open user registration and pre-registration of optima-express username. CVSS base score 7.3 /10 High CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.35% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93901) ## Details Type Privilege Escalation Impact Privilege Escalation CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Published 25 September 2026 Updated 15 October 2026 Weakness [CWE-269](https://cwe.mitre.org/data/definitions/269.html) ## Vendor fix Update to the latest version of Optima Express IDX plugin. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-93901](https://nvd.nist.gov/vuln/detail/CVE-2026-93901) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L795](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L795) - [https://www.wordfence.com/threat-intel/vulnerabilities/id/8ba63df6-ae71-4320-bb82-87d6e17cc47d?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/8ba63df6-ae71-4320-bb82-87d6e17cc47d?source=cve) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinder.php#L291](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinder.php#L291) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L369](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L369) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L498](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L498) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L752](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L752) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L818](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAdmin.php#L818) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAjaxHandler.php#L146](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinderAjaxHandler.php#L146) - [https://plugins.trac.wordpress.org/changeset?reponame=&old=3706448%40optima-express&new=3706448%40optima-express](https://plugins.trac.wordpress.org/changeset?reponame=&old=3706448%40optima-express&new=3706448%40optima-express) - [https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinder.php#L176](https://plugins.trac.wordpress.org/browser/optima-express/tags/8.7.5/iHomefinder.php#L176) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)