Executive brief
WP Inventory Manager is a WordPress plugin used to organize and manage inventory on websites. An unauthenticated attacker can inject malicious scripts that execute in visitors' browsers, potentially stealing session data, hijacking user accounts, or redirecting users to phishing sites. The vulnerability affects all versions up to 2.5.4 and has been patched in version 2.5.5 or later.
Technical details
The vulnerability is a stored or reflected cross-site scripting (XSS) flaw in WP Inventory Manager that does not require authentication to exploit. The root cause involves insufficient input validation or output encoding in the plugin's frontend-facing components. An attacker can craft a malicious request or link that injects JavaScript code; user interaction (such as clicking a link or visiting a crafted page) triggers execution of the injected script in a victim's browser with their session privileges. This allows theft of sensitive data or session hijacking. The vulnerability is patched in version 2.5.5 and later.
Affected products
- WP Inventory Manager WP Inventory Manager ≤ 2.5.4
Timeline
- 2026-05-19: disclosed: Reported by sorawautsukushiii
- 2026-09-14: advisory
- 2026-09-14: patched: Patched in version 2.5.5