What’s Vulnerable › Vulnerabilities

CVE-2026-90936: Froxlor before 2.3.7 Information Disclosure via customer_email.php

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-10-08
• Weakness: CWE-200

Description

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: before 2.3.7 — fixed in 2.3.7

How to fix

Upgrade to a fixed version: froxlor 2.3.7. Check the vendor advisory for mitigations.

References

• https://github.com/froxlor/froxlor/security/advisories/GHSA-mr9h-45p9-fg8h
• https://www.vulncheck.com/advisories/froxlor-before-2.3.7-information-disclosure-via-customer-email-php
• https://github.com/froxlor/froxlor/security/advisories/GHSA-mr9h-45p9-fg8h

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