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CVE-2026-109963: Froxlor before 2.3.14 IDOR in Email Template Editor via admin_templates.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: 2026-10-13 · updated 2026-10-14
• Weakness: CWE-639

Description

Froxlor before 2.3.14 contains an insecure direct object reference vulnerability in the email template editor (admin_templates.php) because the mail body is fetched by mailbodyid without an adminid ownership check. Authenticated reseller admins can pair their own subjectid with sequential foreign mailbodyid values in edit requests to read other admins' email templates, including the full administrator's.

Affected products

• froxlor: before 2.3.14 — fixed in 2.3.14

How to fix

Upgrade to a fixed version: froxlor 2.3.14. Check the vendor advisory for mitigations.

References

• https://github.com/froxlor/froxlor/security/advisories/GHSA-646m-cj89-hm32
• https://www.vulncheck.com/advisories/froxlor-before-2.3.14-idor-in-email-template-editor-via-admin-templates-php
• https://github.com/froxlor/froxlor/security/advisories/GHSA-646m-cj89-hm32

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