CVE-2026-82811
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
Aug 31, 2026
Vendor
unknown
Description
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.
References
- https://github.com/xryj920/chrome_extensions/blob/main/Toggl%20O%C3%9C%20Toggl%20Track%204.11.16%20accepts%20forged%20session-state%20messages%20through%20an%20unauthenticated%20postMessage%20handler
- https://vuldb.com/cve/CVE-2026-82811
- https://vuldb.com/submit/875273
- https://vuldb.com/vuln/397230
- https://vuldb.com/vuln/397230/cti