---
id: CVE-2026-90936
title: >-
  Froxlor before 2.3.7 fails to properly scope sender alias lookups to the
  current customer in customer_email.php
summary: >-
  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 a…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-200
vendor: froxlor
product: froxlor
affected:
  - froxlor < 2.3.7
published: '2026-09-14'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:44.547'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90936'
references:
  - url: 'https://github.com/froxlor/froxlor/security/advisories/GHSA-mr9h-45p9-fg8h'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/froxlor-before-2.3.7-information-disclosure-via-customer-email-php
    label: disclosure@vulncheck.com
  - url: 'https://github.com/froxlor/froxlor/security/advisories/GHSA-mr9h-45p9-fg8h'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00306
epssPercentile: 0.20874
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T20:24:00.831953Z'
ingestedAt: '2026-09-14T15:23:07.430Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.