Is CVE-2026-109963 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-109963 being exploited in the wild.

How severe is CVE-2026-109963?

Medium severity, with a CVSS score of 4.3, published 13 October 2026.

Is there a fix for CVE-2026-109963?

Yes: fixed in 2.3.14. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-109963 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-109963?

Check whether you run Froxlor at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-109963: Froxlor insecure direct object reference in email template editor

CVE-2026-109963 · Severity: medium · CVSS 4.3 · Published 2026-10-13

Froxlor is an open-source hosting control panel used by server administrators to manage customer accounts and services. A flaw in the email template editor allows low-privileged reseller administrators to read email templates belonging to other administrators, including the system owner, by exploiting missing ownership checks. This could expose sensitive customized templates containing customer communications and internal details.

Technologies: Froxlor. Vendors: Froxlor.

Quick answers

Is CVE-2026-109963 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-109963 being exploited in the wild.
How severe is CVE-2026-109963?: Medium severity, with a CVSS score of 4.3, published 13 October 2026.
Which products and versions are affected?: Froxlor before 2.3.14.
Is there a fix for CVE-2026-109963?: Yes: fixed in 2.3.14. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-109963 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-109963?: Check whether you run Froxlor at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: 2.3.14

Technical details

An insecure direct object reference (IDOR) vulnerability in admin_templates.php fetches email template bodies by ID alone without verifying the requesting admin's ownership. Authenticated resellers can combine their own subject template ID (which passes ownership validation) with sequential foreign mailbodyid values to retrieve other admins' templates. The vulnerability is read-only; the save path enforces proper access control, preventing modifications.

Affected products

Froxlor Froxlor before 2.3.14

Timeline

2026-09-29: disclosed: GitHub Security Advisory GHSA-646m-cj89-hm32 published
2026-10-13: advisory: CVE-2026-109963 published

References

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