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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-34437- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2025-203955
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.
- Record
EUVD-2025-203955- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x77x-f67v-g9v4
AVideo versions prior to 20.0 permit any authenticated user to upload comment images to videos...
AVideo versions prior to 20.0 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.
- Record
GHSA-x77x-f67v-g9v4- CVSS 4.0
- 8.7 High
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/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 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-639
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-34437- CVSS 4.0
- 8.7 High
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/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 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-639
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2025-34437- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-639
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-34437 is a high vulnerability (CVSS 8.7) in World Wide Broadcast Network Avideo, published December 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 33rd percentile. No source names a fixed version.
References
github.com/WWBN/AVideo/commit/4a53ab2056
vulncheck.com/advisories/avideo-idor-arbitrary-comment-image-upload
chocapikk.com/posts/2025/avideo-security-vulnerabilities
nvd.nist.gov/vuln/detail/CVE-2025-34437