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CVE-2026-33766— AVideo has SSRF Protection Bypass via HTTP Redirect in Image Download Endpoints

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及之前版本存在代码问题漏洞，该漏洞源于url_get_contents()函数遵循HTTP重定向时未重新验证目标，可能导致绕过SSRF保护。

AI Predicted 9.8 Difficulty: Easy EPSS 0.32% · P22
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I. Basic Information for CVE-2026-33766

Vulnerability Information
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Vulnerability Title
AVideo has SSRF Protection Bypass via HTTP Redirect in Image Download Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In versions up to and including 26.0, `isSSRFSafeURL()` validates URLs against private/reserved IP ranges before fetching, but `url_get_contents()` follows HTTP redirects without re-validating the redirect target. An attacker can bypass SSRF protection by redirecting from a public URL to an internal target. Commit 8b7e9dad359d5fac69e0cbbb370250e0b284bc12 contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 代码问题漏洞
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及之前版本存在代码问题漏洞，该漏洞源于url_get_contents()函数遵循HTTP重定向时未重新验证目标，可能导致绕过SSRF保护。
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-2026-33766

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III. Intelligence Information for CVE-2026-33766

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Patches & Fixes for CVE-2026-33766 (1)

Vendor Advisories for CVE-2026-33766 (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-2026-34247 5.4 MEDIUM AVideo's IDOR in uploadPoster.php Allows Any Authenticated User to Overwrite Scheduled Liv
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-2026-33761 5.3 MEDIUM AVideo: Unauthenticated Access to Scheduler Plugin Endpoints Leaks Scheduled Tasks, Email
CVE-2026-33763 5.3 MEDIUM AVideo has an Unauthenticated Video Password Brute-Force Vulnerability via Unrate-Limited
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-2026-33767 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-918

V. Comments for CVE-2026-33766

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