CVE-2026-82811: Toggl OÜ Toggl Track Extension postMessage origin validation

Published Aug 31, 2026
·
Updated

A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

1 affected component
Toggl OÜ Toggl Track Extension=4.11.16

Event History

Aug 31, 2026
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What level of attacker access is required to exploit this issue?

The vulnerability can be initiated remotely and requires no privileges. User interaction is required, according to the supplied vector.

2

What is known about affected versions?

The provided information identifies Toggl Track Extension version 4.11.16. It does not establish whether earlier or later versions are affected.

3

Is public exploit information available?

Yes. The exploit has been publicly disclosed and may be used.

4

What security impact is indicated?

The supplied severity vector indicates low integrity and availability impact, with no confidentiality impact. The issue is rated medium severity with a 5.4 score.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203