CVE-2026-4123: RW Elephant Rental Inventory <= 2.3.13 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Modification via 'toggle_cache' AJAX Action
The RW Elephant Rental Inventory plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 2.3.13. This is due to a missing capability check on the togglecache() function which is hooked to the wpajaxtogglecache AJAX action. The function also lacks nonce verification. This makes it possible for authenticated attackers, with Subscriber-level access and above, to toggle the plugin's cache setting on or off by sending a POST request to admin-ajax.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
Any authenticated WordPress user with at least the Subscriber role can exploit it. The attacker does not need administrative privileges or user interaction.
What access does an attacker need to modify the setting?
The attacker needs a valid authenticated WordPress session and the ability to send a POST request to the site's admin-ajax endpoint. No nonce verification or plugin capability check is required for the affected action.
What can an attacker change?
An attacker can toggle the RW Elephant Rental Inventory plugin's cache setting on or off. The reported impact is unauthorized modification of that setting; no confidentiality or availability impact is identified.
Which plugin versions are affected?
All versions up to and including 2.3.13 are affected.