CVE-2026-100143
FluentCart < 1.6.5 - Unauthenticated Guest Customer Account Takeover via Checkout Email
Unknown FluentCart A New Era of eCommerce
CVSS
6.5MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.20%Chance of exploitation activity in the next 30 days, higher than 9% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 1.6.5FluentCart A New Era of eCommerceCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 1
- FluentCart A New Era of eCommerceaffected: all versions before 1.6.5CVE List