CVE-2026-14250: Privilege Escalation (CVSS 6.3)

Description

The Themehunk Login Registration plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.0.2. This is due to the handle_frontend_register() function in the unauthenticated /thlogin/v1/register REST endpoint accepting a user-controlled 'role' parameter and validating it only against get_editable_roles() — which returns every defined editable site role, including 'editor' — before passing it to wp_insert_user(). This makes it possible for unauthenticated attackers, when public user registration is enabled, to create new accounts with the editor role.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-269 CWE-269

References

Other References

https://plugins.trac.wordpress.org/browser/themehunk-login-registration/tags/1.0.2/includes/class-thlogin-rest-api.php#L243 https://plugins.trac.wordpress.org/browser/themehunk-login-registration/tags/1.0.2/includes/class-thlogin-rest-api.php#L782 https://plugins.trac.wordpress.org/browser/themehunk-login-registration/tags/1.0.2/includes/class-thlogin-rest-api.php#L811 https://plugins.trac.wordpress.org/browser/themehunk-login-registration/tags/1.0.2/includes/class-thlogin-rest-api.php#L82 https://plugins.trac.wordpress.org/changeset?reponame=&old=3592690%40themehunk-login-registration&new=3592690%40themehunk-login-registration https://www.wordfence.com/threat-intel/vulnerabilities/id/8eee3809-133e-4fd9-ad49-cc6fe3822457?source=cve

Frequently Asked Questions

What is CVE-2026-14250? +

The Themehunk Login Registration plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.0.2. This is due to the handle_frontend_register() function in the unauthenticated /thlogin/v1/register REST endpoint accepting a user-controlled 'role' parameter and validating it only against get_editable_roles() — which returns every defined editable site role, including 'editor' — before passing it to wp_insert_user(). This makes it possible for unauthenticated attackers, when public user registration is enabled, to create new accounts with the editor role. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-14250? +

CVE-2026-14250 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-14250? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-14250