CVE-2026-90936: Froxlor

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Froxlor before 2.3.7 fails to properly scope sender alias lookups to the current customer in customer_email.php. Authenticated attackers can enumerate global sender alias IDs and read other customers' allowed sender values by supplying arbitrary senderid parameters in delete confirmation requests.

Affected products

• Froxlor Froxlor: before 2.3.7 (fixed in 2.3.7)

Published 2026-09-14. Last modified 2026-10-08.