CVE-2025-34437

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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

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

EPSS

0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2025-12-17

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

Affected

• wwbn:avideo

References

• https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/
• https://github.com/WWBN/AVideo/commit/4a53ab2056
• https://github.com/WWBN/AVideo/commit/d411f91805
• https://www.vulncheck.com/advisories/avideo-idor-arbitrary-comment-image-upload

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