EUVD-2026-76855
GHSA-7cf9-xwv8-6722
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/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
PR:N because daily token is obtainable from public Live pages; C:H for email address disclosure; I:L for email-triggering; no availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
4DescriptionCVE.org
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/Scheduler/sendEmail.json.php that allows unauthenticated attackers to access scheduler email jobs by providing a site-wide daily token. Attackers can enumerate scheduler jobs, read private live titles and email addresses, and trigger email sending by supplying any valid daily token obtained from Live pages.
AnalysisAI
Missing authorization in WWBN AVideo's Scheduler email plugin exposes private subscriber email addresses, live-stream titles, and scheduled job metadata to any unauthenticated network attacker who can supply a valid site-wide daily token. The daily token is obtainable without authentication from publicly accessible Live pages, making the attack effectively unauthenticated for instances with open Live pages. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires three concurrent conditions: (1) the target AVideo instance has the Scheduler plugin installed and active with at least one configured email job; (2) at least one Live page on the instance is accessible without authentication, allowing the attacker to retrieve the site-wide daily token; and (3) the /plugin/Scheduler/sendEmail.json.php endpoint is reachable over the network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.8 (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N) is broadly appropriate: the attack is remote, low-complexity, and the PR:N designation holds when Live pages are publicly accessible - the condition on which the effective privilege requirement rests. … 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 | Update WWBN AVideo to a commit beyond c3edcc274c389816d434acadac07ee78eaf330c1 per the vendor security advisory at https://github.com/WWBN/AVideo/security/advisories/GHSA-qq59-3jwp-hgj9; a specific patched release version number is not independently confirmed from available input data and should be verified against the advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all WWBN AVideo deployments with the Scheduler email plugin enabled and confirm whether Live pages are publicly accessible; if so, treat subscriber data as potentially compromised. …
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External POC / Exploit Code
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