Medium severity · published Sep 30, 2026
CVE-2026-100143
FluentCart < 1.6.5 - Unauthenticated Guest Customer Account Takeover via Checkout Email
6.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FA
FluentCart A New Era of eCommerce ·
before 1.6.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100143
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100143
exploit
https://wpscan.com/vulnerability/86c69e28-bdd2-4027-a045-f8b2523f8d7f/
More from FluentCart A New Era of eCommerce
5.3
CVE-2026-100142
FluentCart < 2.2.0 - Unauthenticated Customer Address Disclosure via IDOR
4.2
CVE-2026-14926
FluentCart < 1.4.0 - Subscriber+ Subscription Payment-Method Tampering via IDOR
3.7
CVE-2026-14927
FluentCart < 1.5.3 - Unauthenticated Order PII Disclosure via Print Routes