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CVE-2026-89252— AVideo Missing Authorization in addLiveLink.php LiveLink Update

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.

在提交 c3edcc274c389816d434acadac07ee78eaf330c1 之前，AVideo 存在一个漏洞：在 中更新 LiveLinks 时未验证资源所有权，使得已认证用户可以修改其他用户的链接。拥有 权限的用户可以通过提供一个已存在的 ，覆盖其他用户的 LiveLink HLS 源和元数据，从而将观众重定向到攻击者控制的媒体资源。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2026-89252

Vulnerability Information
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Vulnerability Title
AVideo Missing Authorization in addLiveLink.php LiveLink Update
Source: CVE Program / CVE List V5
Vulnerability Description
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WWBN AVideo 0 ~ c3edcc274c389816d434acadac07ee78eaf330c1 -

II. Public POCs for CVE-2026-89252

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III. Intelligence Information for CVE-2026-89252

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Vendor Advisories for CVE-2026-89252 (2)

Same Patch Batch · WWBN · 2026-09-11 · 20 CVEs total

CVE-2026-89256 8.7 HIGH AVideo Bookmark Plugin Stored XSS via Chapter Names
CVE-2026-89254 8.7 HIGH AVideo CustomizeUser Stored XSS via field_name Parameter
CVE-2026-89255 8.7 HIGH AVideo LoginControl Stored XSS via PGP Public Key
CVE-2026-89253 8.7 HIGH AVideo Stored XSS via donationLink in watch page button
CVE-2026-89249 8.7 HIGH AVideo YPTWallet Stored XSS via CryptoWallet Configuration
CVE-2026-89243 8.1 HIGH WWBN AVideo Stored XSS via UserGroups setGroup_name
CVE-2026-89250 7.5 HIGH WWBN AVideo Unauthenticated File Read via getRecordedFile.php
CVE-2026-89242 7.2 HIGH WWBN AVideo Unauthenticated SSRF via login.json.php
CVE-2026-89251 6.5 MEDIUM AVideo Missing Authorization via AD_Server log.php Wallet Credit
CVE-2026-89245 6.5 MEDIUM WWBN AVideo Cross-Site Request Forgery via playlistRemove.php
CVE-2026-89247 6.1 MEDIUM WWBN AVideo XML Injection via plugin/AD_Server/VMAP.php
CVE-2026-89239 6.1 MEDIUM WWBN AVideo Reflected XSS via Referer Header Comment Breakout
CVE-2026-89241 6.1 MEDIUM WWBN AVideo Reflected XSS via confirmLivePassword.php
CVE-2026-89240 6.1 MEDIUM WWBN AVideo Reflected XSS via confirmLivePassword.php
CVE-2026-89244 6.1 MEDIUM WWBN AVideo Reflected XSS via Gallery Category getBackURL
CVE-2026-89246 5.4 MEDIUM WWBN AVideo CSV Formula Injection via myComments.download.php
CVE-2026-89257 5.4 MEDIUM AVideo through 29.0 Cross-User Category Asset Deletion via Missing Ownership Check
CVE-2026-89148 5.4 MEDIUM AVideo Open Redirect via playlistSort.php Referer Header
CVE-2026-89248 5.3 MEDIUM AVideo WebRTC Plugin Information Disclosure via status.json.php

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-639

V. Comments for CVE-2026-89252

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