Vulnerability-Lookup

CVE-2026-82809 (GCVE-0-2026-82809)

Vulnerability from cvelistv5 – Published: 2026-08-31 16:30 – Updated: 2026-08-31 17:54

Title

vidIQ Vision for YouTube Extension postMessage window.addEventListener information disclosure

Summary

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."

Severity

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

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

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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-31 17:47 UTC

CWE

CWE-200 - Information Disclosure
CWE-284 - Improper Access Controls

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/397228	vdb-entrytechnical-description
https://vuldb.com/vuln/397228/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82809	third-party-advisory
https://vuldb.com/submit/875245	third-party-advisory
https://github.com/xryj920/chrome_extensions/blob…	exploitmedia-coverage

Impacted products

1 product

Vendor	Product	Version	CPE status
vidIQ	Vision for YouTube Extension	Affected: 3.199.0 cpe:2.3:a:vidiq:vision_for_youtube_extension::::::::

Credits

DRXYJ (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-82809

Vulnerability from fkie_nvd - Published: 2026-08-31 17:17 - Updated: 2026-08-31 18:17

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Summary

References

	URL	Tags
	cna@vuldb.com	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%20handler
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-82809
	cna@vuldb.com	https://vuldb.com/submit/875245
	cna@vuldb.com	https://vuldb.com/vuln/397228
	cna@vuldb.com	https://vuldb.com/vuln/397228/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    }
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  "lastModified": "2026-08-31T18:17:23.803",
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          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-82809",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-31T17:47:08.347674Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-31T17:17:47.150",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "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%20handler"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-82809"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/875245"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/397228"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/397228/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-G6RC-GMFP-482P

Vulnerability from github – Published: 2026-08-31 18:31 – Updated: 2026-08-31 18:31

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

2.1 (Low)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-82809"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-31T17:17:47Z",
    "severity": "LOW"
  },
  "details": "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.\"",
  "id": "GHSA-g6rc-gmfp-482p",
  "modified": "2026-08-31T18:31:30Z",
  "published": "2026-08-31T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82809"
    },
    {
      "type": "WEB",
      "url": "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%20handler"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-82809"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/875245"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/397228"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/397228/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-82809 (GCVE-0-2026-82809)

FKIE_CVE-2026-82809

GHSA-G6RC-GMFP-482P

Tags

Sightings

Nomenclature