CVE-2026-82809: Information Disclosure in vidIQ Vision for YouTube Extension
Description
CVE-2026-82809 is an information disclosure vulnerability in the vidIQ Vision for YouTube Extension version 3.199.0 on Chrome. The flaw involves the window.addEventListener function in the postMessage Handler component, where manipulation of the vidiqEvent argument can lead to unintended information exposure. The vulnerability can be exploited remotely and exploit code has been publicly released. The vendor currently does not accept security vulnerability reports nor offers a bug bounty program.
CVSS v4.0
Score 5.3medium
Affected software
vidIQ
Vision for YouTube Extension
cpe:2.3:a:vidiq:vision_for_youtube_extension:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vidIQ Vision for YouTube Extension version 3.199.0 contains a security flaw in its postMessage Handler component, specifically in the window.addEventListener function. By manipulating the vidiqEvent argument, an attacker can cause information disclosure. This vulnerability is remotely exploitable and public exploit code is available. The vendor has not provided any official remediation or patch and does not have a vulnerability submission or bug bounty program.
Potential Impact
An attacker can remotely exploit this vulnerability to disclose information through manipulation of the vidiqEvent argument in the postMessage Handler. This could lead to exposure of sensitive data handled by the extension. The CVSS 4.0 base score is 5.3, indicating a medium severity impact with low complexity and no privileges required.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Users should be cautious when using version 3.199.0 of the vidIQ Vision for YouTube Extension. Consider disabling or removing the extension until a vendor update is provided. Monitor vendor communications for any future remediation announcements.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-31T04:55:45.384Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a95add6acd9273b4955f7e2
Added to database: 08/31/2026, 16:37:42 UTC
Last enriched: 09/07/2026, 15:32:52 UTC
Last updated: 10/14/2026, 18:48:24 UTC
Views: 88
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