CVE-2026-100143 FluentCart < 1.6.5 - Unauthenticated Guest Customer Account Takeover via Checkout Email
Unauthenticated attackers can take over guest customer accounts by supplying known email addresses during checkout without verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100143?
CVE-2026-100143 is a medium-severity authentication bypass vulnerability in Unknown FluentCart A New Era of eCommerce, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FluentCart A New Era of eCommerce WordPress plugin before 1.6.5 does not verify that the person placing a guest checkout controls the email address supplied, allowing unauthenticated attackers who know an existing guest customer's email to obtain a logged-in account bearing that address together with the customer's stored record.
Weakness: CWE-287
Which versions are affected by CVE-2026-100143?
How do I fix CVE-2026-100143?
No fix has been published for CVE-2026-100143 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-100143 being exploited?
There is no known exploitation of CVE-2026-100143 in the wild and no public exploit code.
Sources
Also known as GHSA-r98p-r63w-xp79.