CVE-2026-82809
vidIQ Vision for YouTube Extension postMessage window.addEventListener information disclosure
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 31, 2026
- Updated
- Aug 31, 2026
- Reserved
- Aug 31, 2026
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."
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Vision for YouTube ExtensionvidIQ |
|
References
- VDB-397228 | vidIQ Vision for YouTube Extension postMessage window.addEventListener information disclosurevdb-entrytechnical-description
- VDB-397228 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-82809 | CVE Analysis and Reportthird-party-advisory
- Submit #875245 | vidIQ Inc. vidIQ Vision for YouTube 3.199.0 Information Disclosurethird-party-advisory
- https://github.com/xryj920/chrome_extensions/blob/main/vidIQ%20Inc.%20vidIQ%20Vision%20for%20YouTube%203.199.0%20exposes%20YouTube%20video%20frame%20captures%20through%20an%20unauthenticated%20postMessage%20handlerexploitmedia-coverage
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.