Information disclosure in Wwbn Avideo
CVE-2026-56380
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-w44x-v4c8-86f6 (vendor-advisory)
- www.vulncheck.com/advisories/avideo-feed-index-php-exposure-of-channel-owner-em… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56380?
- CVE-2026-56380 is a medium-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-22.
- How severe is CVE-2026-56380?
- Medium severity. CVSS v3 base score is 5.3 out of 10.