Motors <= 1.4.111 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post Meta Modification via 'stm_mark_as_sold_car' Parameter
| CVE | CVE-2026-12435 |
|---|---|
| CVSS | 4.3 (Medium) |
| Publicly Published | June 30, 2026 |
| Last Updated | July 1, 2026 |
| Researcher |
Michael Perla (vizen5)
- clixhouse
|
Description
The Motors – Car Dealership & Classified Listings Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.4.111. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to mark or unmark any other user's car listing as sold by replaying a valid nonce harvested from their own listing against an arbitrary victim post ID, triggering a site-wide 'Sold' badge on the victim's listing and silently stripping its special_car featured post meta as a side effect. Exploitation requires the attacker to hold an active listing of their own (obtainable by a Subscriber via the plugin's add-listing form) in order to harvest a valid nonce for the 'stm_mark_as_sold_car' action, which can then be replayed against any other listing's post ID.
References
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
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Vulnerability Details for Motors – Car Dealership & Classified Listings Plugin
| Software Type | Plugin |
|---|---|
| Software Slug | motors-car-dealership-classified-listings (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.4.112, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Motors – Car Dealership & Classified Listings Plugin
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