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CVE-2026-33478— AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection

Quick assessment

Affected
WWBN AVideo
Exploitation
Public or AI PoC available; prioritize validation
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CloneSite插件中的多个漏洞链式结合，可能导致未经身份验证的攻击者实现远程代码执行，包括泄露克隆密钥、触发数据库转储和利用OS命令注入。

CVSS 10.0 · Critical EPSS 11.24% · P96

Public Exploits 1

Nuclei · 1 CVE-2026-33478.yaml [template]
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I. Basic Information for CVE-2026-33478

Vulnerability Information
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Vulnerability Title
AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In versions up to and including 26.0, multiple vulnerabilities in AVideo's CloneSite plugin chain together to allow a completely unauthenticated attacker to achieve remote code execution. The `clones.json.php` endpoint exposes clone secret keys without authentication, which can be used to trigger a full database dump via `cloneServer.json.php`. The dump contains admin password hashes stored as MD5, which are trivially crackable. With admin access, the attacker exploits an OS command injection in the rsync command construction in `cloneClient.json.php` to execute arbitrary system commands. Commit c85d076375fab095a14170df7ddb27058134d38c contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
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CloneSite插件中的多个漏洞链式结合，可能导致未经身份验证的攻击者实现远程代码执行，包括泄露克隆密钥、触发数据库转储和利用OS命令注入。
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)

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Affected Products

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

II. Public POCs for CVE-2026-33478

# POC Description Source Link Shenlong Link
1 WWBN AVideo <= 26.0 contains multiple vulnerabilities in the CloneSite plugin including unauthenticated exposure of clone secret keys and OS command injection in rsync command construction, letting unauthenticated attackers achieve remote code execution. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-33478.yaml POC Details
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III. Intelligence Information for CVE-2026-33478

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Patches & Fixes for CVE-2026-33478 (1)

Vendor Advisories for CVE-2026-33478 (1)

Same Patch Batch · WWBN · 2026-03-23 · 34 CVEs total

CVE-2026-33352 9.8 CRITICAL AVideo has an Unauthenticated SQL Injection via `doNotShowCats` Parameter (Backslash Escap
CVE-2026-33716 9.4 CRITICAL AVideo Allows Unauthenticated Live Stream Control via Token Verification URL Override in c
CVE-2026-33502 9.3 CRITICAL AVideo has Unauthenticated SSRF via plugin/Live/test.php
CVE-2026-33351 9.1 CRITICAL AVideo has Unauthenticated SSRF via `webSiteRootURL` Parameter in saveDVR.json.php, Chaini
CVE-2026-33507 8.8 HIGH AVideo Affected by CSRF on Plugin Import Endpoint Enables Unauthenticated Remote Code Exec
CVE-2026-33717 8.8 HIGH AVideo Vulnerable to Remote Code Execution via Persistent PHP Temp File in Encoder downloa
CVE-2026-33648 8.8 HIGH AVideo Vulnerable to OS Command Injection via Unsanitized `users_id` and `liveTransmitionH
CVE-2026-33647 8.8 HIGH AVideo Vulnerable to Remote Code Execution via MIME/Extension Mismatch in ImageGallery Fil
CVE-2026-33479 8.8 HIGH AVideo has PHP Code Injection via eval() in Gallery saveSort.json.php Exploitable Through
CVE-2026-33719 8.6 HIGH AVideo Vulnerable to Unauthenticated CDN Configuration Takeover via Empty Default Key Bypa
CVE-2026-33513 8.6 HIGH AVideo has an Unauthenticated Local File Inclusion in API locale (RCE possible with writab
CVE-2026-33480 8.6 HIGH AVideo has a SSRF Protection Bypass via IPv4-Mapped IPv6 Addresses in Unauthenticated Live
CVE-2026-33651 8.1 HIGH AVideo has a Blind SQL Injection in Live Schedule Reminder via Unsanitized live_schedule_i
CVE-2026-33649 8.1 HIGH AVideo's GET-Based CSRF in setPermission.json.php Enables Privilege Escalation via Arbitra
CVE-2026-33482 8.1 HIGH AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegComm
CVE-2026-33354 7.6 HIGH AVideo has an authenticated arbitrary local file read via `chunkFile` path injection in `a
CVE-2026-33650 7.6 HIGH AVideo's Video Moderator Privilege Escalation via Ownership Transfer Enables Arbitrary Vid
CVE-2026-33485 7.5 HIGH AVideo has an Unauthenticated Blind SQL Injection in RTMP on_publish Callback via Stream N
CVE-2026-33483 7.5 HIGH AVideo Affected by Unauthenticated Disk Space Exhaustion via Unlimited Temp File Creation
CVE-2026-33512 7.5 HIGH AVideo has an unauthenticated decrypt oracle leaking any ciphertext

Showing top 20 of 34 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-78

V. Comments for CVE-2026-33478

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