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AVideo CVE-2026-56380

| EUVDEUVD-2026-64259 MEDIUM
Information Exposure (CWE-200)
2026-08-22 VulnCheck GHSA-3f96-xq49-5fv9
PHP Information Disclosure Avideo
6.9
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
6.9 MEDIUM
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
vuln.today AI
5.3 MEDIUM

Unauthenticated network request with no complexity discloses only email addresses, warranting PR:N and AV:N; C:L reflects limited PII exposure with no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Aug 22, 2026 - 13:14 vuln.today

DescriptionCVE.org

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.

AnalysisAI

Email enumeration in AVideo's RSS feed endpoint (feed/index.php) allows unauthenticated remote attackers to harvest channel owner email addresses across all versions through commit 9c39d8c8. By iterating through public channel names, attackers can systematically extract creator PII from the itunes:email and itunes:author elements of the platform's podcast-compatible RSS output. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation No special conditions beyond network access to the AVideo instance and knowledge of at least one public channel name. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N) accurately characterizes the attack profile: no authentication, no complexity, and no user interaction are required, but the confidentiality impact is bounded to Low - email addresses rather than credentials or private content. … 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 The primary remediation is to update AVideo to a version incorporating a fix beyond commit 9c39d8c8, as documented in the WWBN security advisory GHSA-w44x-v4c8-86f6 (https://github.com/WWBN/AVideo/security/advisories/GHSA-w44x-v4c8-86f6) and the VulnCheck advisory (https://www.vulncheck.com/advisories/avideo-feed-index-php-exposure-of-channel-owner-email-address). … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-56380 vulnerability details – vuln.today
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