CVE-2026-77183 FooSales <= 1.43.0 - Authenticated (Custom+) Privilege Escalation via create_update_customer REST Endpoint
Authenticated attackers with Cashier access can escalate privileges by modifying arbitrary user emails to reset passwords and take over accounts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77183?
CVE-2026-77183 is a high-severity vulnerability in FooSales – Point of Sale (POS) for WooCommerce, published on 10 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The FooSales – Point of Sale (POS) for WooCommerce plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 1.43.0. This is due to the plugin not properly validating a user's identity prior to updating their details like email. This makes it possible for authenticated attackers, with FooSales Cashier-level access and above, to change arbitrary user's email addresses, including administrators, and leverage that to reset the user's password and gain access to their account.
Weakness: CWE-269
Which versions are affected by CVE-2026-77183?
How do I fix CVE-2026-77183?
No fix has been published for CVE-2026-77183 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77183 being exploited?
There is no known exploitation of CVE-2026-77183 in the wild and no public exploit code.
Sources
Also known as GHSA-mqr2-vf6c-h2jp.