Is CVE-2026-82809 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-82809?

CVE-2026-82809 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-82809

Description

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor explains: "At this time, vidIQ does not accept security vulnerability submissions, and we do not have a bug bounty program in place."