EUVD-2026-64265
GHSA-v366-95x7-75w9
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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
Gallery endpoint is publicly network-accessible requiring no authentication (AV:N, PR:N, AC:L); impact is confidentiality-only with unchanged scope and no integrity or availability consequence.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
2DescriptionCVE.org
WWBN AVideo through commit 9c39d8c8 contains an authorization bypass vulnerability where getToken() creates tokens without binding to user identity or purpose, and plugin/Gallery/view/sections.php issues valid tokens to unauthenticated visitors. Attackers can retrieve a token from the Gallery endpoint and use it to bypass authorization checks in other subsystems like view/hls.php to access restricted video content.
AnalysisAI
Unauthorized access to restricted video content in WWBN AVideo (through commit 9c39d8c8) is enabled by a fundamental design flaw in the platform's token subsystem: getToken() produces tokens with no binding to user identity or intended purpose, and the Gallery plugin endpoint (plugin/Gallery/view/sections.php) distributes these tokens freely to unauthenticated visitors. Because the tokens carry no scope constraint, they are accepted as valid authorization across unrelated subsystems including the HLS streaming endpoint (view/hls.php), allowing any remote unauthenticated party to retrieve private video content. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Gallery plugin must be installed and its public endpoint (plugin/Gallery/view/sections.php) must be network-reachable by the attacker - this is the sole token-issuance pathway. … 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:H/VI:N/VA:N) classifies this as a high-severity, remotely exploitable confidentiality breach with no authentication barrier and no meaningful complexity - a two-step operation that any unskilled attacker can replicate with a browser and curl. … 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 | Apply the vendor-published fix documented in GHSA-wq57-wxcr-rx6v (https://github.com/WWBN/AVideo/security/advisories/GHSA-wq57-wxcr-rx6w); update to any release confirmed by the vendor to include a patched getToken() implementation with identity and purpose binding. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, immediately restrict network access to all WWBN AVideo installations using firewall rules or network segmentation to block external access to plugin/Gallery/view/sections.php and view/hls.php endpoints. …
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External POC / Exploit Code
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