CVE-2026-109963 Froxlor before 2.3.14 IDOR in Email Template Editor via admin_templates.php
Authenticated reseller admins can read other admins' email templates by manipulating mailbodyid parameters in the template editor.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109963?
CVE-2026-109963 is a medium-severity missing authorization vulnerability in froxlor, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-109963?
How do I fix CVE-2026-109963?
No fix has been published for CVE-2026-109963 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-109963 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109963 exists.
Sources
Also known as GHSA-646m-cj89-hm32, GHSA-c3jc-298j-rpv5.