FKIE_CVE-2026-56380

Vulnerability from fkie_nvd - Published: 2026-08-22 13:16 - Updated: 2026-10-12 16:10
Summary
AVideo through commit 9c39d8c8 contains an information exposure vulnerability in feed/index.php that allows unauthenticated attackers to retrieve channel owner email addresses by supplying a public channel name parameter. Attackers can enumerate all creator email addresses by iterating through public channel names and extract them from the itunes:email and itunes:author RSS elements, enabling account takeover attempts and phishing campaigns.
Impacted products
Vendor Product Version

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "AVideo",
          "vendor": "WWBN",
          "versions": [
            {
              "lessThanOrEqual": "9c39d8c8b4c1f75540788d6b391740852ceb0732",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "AVideo through commit 9c39d8c8 contains an information exposure vulnerability in feed/index.php that allows unauthenticated attackers to retrieve channel owner email addresses by supplying a public channel name parameter. Attackers can enumerate all creator email addresses by iterating through public channel names and extract them from the itunes:email and itunes:author RSS elements, enabling account takeover attempts and phishing campaigns."
    },
    {
      "lang": "es",
      "value": "AVideo a trav\u00e9s del commit 9c39d8c8 contiene una vulnerabilidad de exposici\u00f3n de informaci\u00f3n en feed/index.PHP que permite a atacantes no autenticados recuperar direcciones de correo electr\u00f3nico de propietarios de canales al proporcionar un par\u00e1metro de nombre de canal p\u00fablico. Los atacantes pueden enumerar todas las direcciones de correo electr\u00f3nico de los creadores al iterar a trav\u00e9s de los nombres de canales p\u00fablicos y extraerlas de los elementos RSS itunes:email e itunes:author, lo que permite intentos de toma de control de cuentas y campa\u00f1as de phishing."
    }
  ],
  "id": "CVE-2026-56380",
  "lastModified": "2026-10-12T16:10:00.220",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-56380",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-24T19:30:42.442722Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-22T13:16:37.977",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-w44x-v4c8-86f6"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.vulncheck.com/advisories/avideo-feed-index-php-exposure-of-channel-owner-email-address"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-w44x-v4c8-86f6"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}



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