CVE-2026-18595: WP-Lister Lite for eBay <= 3.8.9 - Unauthenticated Stored Cross-Site Scripting via AJAX Cron Handler Request
The WP-Lister Lite for eBay plugin for WordPress is vulnerable to Stored Cross-Site Scripting via AJAX Cron Handler Request Parameter in all versions up to, and including, 3.8.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
Which installations are affected?
WP-Lister Lite for eBay versions up to and including 3.8.9 are affected.
Does exploitation require an attacker to have a WordPress account or user interaction?
No. The vulnerability can be exploited by an unauthenticated attacker, and no user interaction is required for the injection itself.
What is the impact after malicious content is injected?
An attacker can store arbitrary web scripts that execute when a user accesses an injected page. The reported impact includes potential loss of confidentiality and integrity.