SEPTEMBER 17, 2026
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Case File

CVE-2026-82809

MEDIUM · CVSS 4.3 EPSS 0.26% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The vidIQ Vision for YouTube Extension version 3.199.0 on Chrome is vulnerable due to a flaw in the postMessage Handler's window.addEventListener function, which can lead to information disclosure through manipulation of the vidiqEvent argument. This vulnerability can be exploited remotely, posing a risk to users of the extension. Organizations and individuals using this extension should prioritize immediate updates or consider alternative solutions, given the public availability of the exploit and the lack of a vendor-supported remediation process.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-82809
Severity
MEDIUM
CVSS
4.3
EPSS
0.26%
Chrome

Original NVD 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."