CVE-2025-34437CWE-639

CVE-2025-34437

High · published December 18, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
32.5
In the wild
Unconfirmed
What it is

⚡ Any authenticated user can sneak in and upload comment images to other users' videos! This high-risk vulnerability in AVideo could let malicious actors mess with your content. 🚨 Think of it like a restaurant where diners can leave notes on any table they want, not just their own — the staff might read the note, but they don’t check who the owner is before letting the note stay. 🍽️ If exploited, this vulnerability could lead to unauthorized and inappropriate content appearing on other users' videos, potentially damaging reputations and ruining user experiences. It's a recipe for chaos, affecting trust within the community! 🔥

Put simply

Think of it like a restaurant where diners can leave notes on any table they want, not just their own — the staff might read the note, but they don’t check who the owner is before letting the note stay. 🍽️ AVideo versions prior to 20.1 fail to check ownership when users upload comment images, allowing any authenticated user to target any video's comment section indiscriminately.

What to do

If exploited, this vulnerability could lead to unauthorized and inappropriate content appearing on other users' videos, potentially damaging reputations and ruining user experiences. It's a recipe for chaos, affecting trust within the community! 🔥 Update AVideo to version 20.1 immediately to enforce ownership checks on uploads. Additionally, review your user permissions to ensure that only appropriate users can interact with video comments. 🛡️ You've got this! Secure your platform and keep it a safe space for everyone. 🌟

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00395 · 32.5th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2025-12-18T01:15Z
Affected products (1)
ProductVersionsFixed in
wwbn/avideo< 20.020.0
References (4)
EPSS history
Timeline
  • 17 DEC 19:50Z
    AVideo < 20.1 IDOR Arbitrary Comment Image Upload
    cvelistv5