EUVD-2026-68656
GHSA-g6rc-gmfp-482p
Severity by source
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
User must visit attacker page (UI:R); impact is limited to partial confidentiality via frame captures only, with no integrity or availability consequence.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
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."
AnalysisAI
Information disclosure in vidIQ Vision for YouTube Extension 3.199.0 on Chrome exposes YouTube video frame captures to any web page able to send crafted postMessage events. The extension's window.addEventListener handler processes incoming messages without validating the sender origin, allowing a remotely-hosted malicious page to exfiltrate frame capture data by manipulating the vidiqEvent argument. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must have vidIQ Vision for YouTube Extension version 3.199.0 (or potentially other versions) installed and active in the Chrome browser. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.3 (Medium) reflects the constrained impact accurately. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch is available and none is expected in the near term, as the vendor has explicitly declined to participate in vulnerability disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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