Vulnerability · Published Sep 14, 2026 · Assigned by VulnCheck

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

Medium 4.3

In plain English

A medium-severity information exposure in froxlor from froxlor. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 76.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistfroxlor/froxlor2.3.7GHSA-mr9h-45p9-fg8h

Affected products (as reported)

VendorProductVersions
froxlor froxlor 0 – before 2.3.7

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References