Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck
CVE-2025-34437AVideo < 20.1 IDOR Arbitrary Comment Image Upload
High 8.7
In plain English
A high-severity authorization bypass via user-controlled key in AVideo from World Wide Broadcast Network. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.4%top 66.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
AVideo versions prior to 20.1 permit any authenticated user to upload comment images to videos owned by other users. The endpoint validates authentication but omits ownership checks, allowing attackers to perform unauthorized uploads to arbitrary video objects.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| World Wide Broadcast Network | AVideo | 0 – before 20.1 |
Weakness: CWE-639 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://github.com/WWBN/AVideo/commit/4a53ab2056 patch
- https://github.com/WWBN/AVideo/commit/d411f91805 patch
- https://www.vulncheck.com/advisories/avideo-idor-arbitrary-comment-image-upload third-party-advisory
- https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/ technical-description, exploit