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CVE-2026-34247— AVideo's IDOR in uploadPoster.php Allows Any Authenticated User to Overwrite Scheduled Live Stream Posters and Trigger False Socket Notifications

Quick assessment

Affected
WWBN AVideo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WWBN AVideo是WWBN团队的一个由PHP编写的视频平台建站系统。 WWBN AVideo 26.0及之前版本存在安全漏洞，该漏洞源于plugin/Live/uploadPoster.php端点缺少所有权检查，可能导致经过身份验证的用户覆盖任意直播计划的海报图像并泄露广播密钥。

CVSS 5.4 · Medium EPSS 0.24% · P16
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I. Basic Information for CVE-2026-34247

Vulnerability Information
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Vulnerability Title
AVideo's IDOR in uploadPoster.php Allows Any Authenticated User to Overwrite Scheduled Live Stream Posters and Trigger False Socket Notifications
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `plugin/Live/uploadPoster.php` endpoint allows any authenticated user to overwrite the poster image for any scheduled live stream by supplying an arbitrary `live_schedule_id`. The endpoint only checks `User::isLogged()` but never verifies that the authenticated user owns the targeted schedule. After overwriting the poster, the endpoint broadcasts a `socketLiveOFFCallback` notification containing the victim's broadcast key and user ID to all connected WebSocket clients. Commit 5fcb3bdf59f26d65e203cfbc8a685356ba300b60 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN AVideo是WWBN团队的一个由PHP编写的视频平台建站系统。 WWBN AVideo 26.0及之前版本存在安全漏洞，该漏洞源于plugin/Live/uploadPoster.php端点缺少所有权检查，可能导致经过身份验证的用户覆盖任意直播计划的海报图像并泄露广播密钥。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WWBN AVideo <= 26.0 -

II. Public POCs for CVE-2026-34247

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III. Intelligence Information for CVE-2026-34247

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Patches & Fixes for CVE-2026-34247 (1)

Vendor Advisories for CVE-2026-34247 (1)

Same Patch Batch · WWBN · 2026-03-27 · 16 CVEs total

CVE-2026-34374 9.1 CRITICAL AVideo has SQL Injection in Live_schedule::keyExists() via Unparameterized Stream Key
CVE-2026-34375 8.2 HIGH AVideo Vulnerable to Reflected XSS via Unsanitized plugin Parameter in YPTWallet Stripe Pa
CVE-2026-34245 6.3 MEDIUM AVideo's Missing Authorization in Playlist Schedule Creation Allows Cross-User Broadcast H
CVE-2026-34362 5.4 MEDIUM AVideo's WebSocket Token Never Expires Due to Commented-Out Timeout Validation in verifyTo
CVE-2026-33759 5.3 MEDIUM AVideo: Unauthenticated IDOR in playlistsVideos.json.php Exposes Private Playlist Contents
CVE-2026-33763 5.3 MEDIUM AVideo has an Unauthenticated Video Password Brute-Force Vulnerability via Unrate-Limited
CVE-2026-33761 5.3 MEDIUM AVideo: Unauthenticated Access to Scheduler Plugin Endpoints Leaks Scheduled Tasks, Email
CVE-2026-34364 5.3 MEDIUM AVideo has User Group-Based Category Access Control Bypass via Missing and Broken Group Fi
CVE-2026-34368 5.3 MEDIUM AVideo Vulnerable to Wallet Balance Double-Spend via TOCTOU Race Condition in transferBala
CVE-2026-34369 5.3 MEDIUM AVIdeo has Video Password Protection Bypass via API Endpoints Returning Full Playback Sour
CVE-2026-33764 4.3 MEDIUM AVideo: IDOR in AI Plugin Allows Stealing Other Users' AI-Generated Metadata and Transcrip
CVE-2026-33766 AVideo has SSRF Protection Bypass via HTTP Redirect in Image Download Endpoints
CVE-2026-33767 AVideo has SQL Injection via Partial Prepared Statement — videos_id Concatenated Directly
CVE-2026-33770 AVideo has SQL Injection in category.php fixCleanTitle() via Unparameterized clean_title a
CVE-2026-33867 AVideo has Plaintext Video Password Storage

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-862

V. Comments for CVE-2026-34247

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