CVE-2025-34437

AVideo < 20.1 IDOR Arbitrary Comment Image Upload

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

World Wide Broadcast Network · AVideo

CVSS v4.0 VULNCHECK

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.40% chance of exploitation in the next 30 days, 32nd percentile

Published

2025-12-17

Updated

2026-06-23

Proof-of-concept exploits (1)

• https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/

Security advisories

• https://www.vulncheck.com/advisories/avideo-idor-arbitrary-comment-image-upload
• WWBN/AVideo/commit/4a53ab2056

References

• CVE Record
• NVD entry