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CVE-2026-34739— AVideo: Reflected XSS via Unescaped ip Parameter in User_Location testIP.php

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及之前版本存在跨站脚本漏洞，该漏洞源于User_Location插件中的testIP.php页面缺少输出编码，可能导致跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.26% · P16
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I. Basic Information for CVE-2026-34739

Vulnerability Information
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Vulnerability Title
AVideo: Reflected XSS via Unescaped ip Parameter in User_Location testIP.php
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In versions 26.0 and prior, the User_Location plugin's testIP.php page reflects the ip request parameter directly into an HTML input element without applying htmlspecialchars() or any other output encoding. This allows an attacker to inject arbitrary HTML and JavaScript via a crafted URL. Although the page is restricted to admin users, AVideo's SameSite=None cookie configuration allows cross-origin exploitation, meaning an attacker can lure an admin to a malicious link that executes JavaScript in their authenticated session. At time of publication, there are no publicly available patches.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 跨站脚本漏洞
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及之前版本存在跨站脚本漏洞，该漏洞源于User_Location插件中的testIP.php页面缺少输出编码，可能导致跨站脚本攻击。
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-2026-34739

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III. Intelligence Information for CVE-2026-34739

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Vendor Advisories for CVE-2026-34739 (1)

Same Patch Batch · WWBN · 2026-03-31 · 13 CVEs total

CVE-2026-34394 8.1 HIGH AVideo: CSRF on Admin Plugin Configuration Enables Payment Credential Hijacking
CVE-2026-34731 7.5 HIGH AVideo: Unauthenticated Live Stream Termination via RTMP Callback on_publish_done.php
CVE-2026-34395 6.5 MEDIUM AVideo: Mass User PII Disclosure via Missing Authorization in YPTWallet users.json.php
CVE-2026-34611 6.5 MEDIUM AVideo: CSRF on emailAllUsers.json.php Enables Mass Phishing Email to All Users
CVE-2026-34613 6.5 MEDIUM AVideo: CSRF on Plugin Enable/Disable Endpoint Allows Disabling Security Plugins
CVE-2026-34733 6.5 MEDIUM AVideo: Unauthenticated File Deletion via PHP Operator Precedence Bug in CLI Guard
CVE-2026-34737 6.5 MEDIUM AVideo: Arbitrary Stripe Subscription Cancellation via Debug Endpoint and retrieveSubscrip
CVE-2026-34740 6.5 MEDIUM AVideo: Stored SSRF via Video EPG Link Missing isSSRFSafeURL() Validation
CVE-2026-34716 6.4 MEDIUM AVideo: DOM XSS via Unsanitized Display Name in WebSocket Call Notification
CVE-2026-34396 6.1 MEDIUM AVideo: Stored XSS via Unescaped Plugin Configuration Values in Admin Panel
CVE-2026-34732 5.3 MEDIUM AVideo: Missing Authentication in CreatePlugin list.json.php Template Affects 21 Endpoints
CVE-2026-34738 4.3 MEDIUM AVideo: Video Publishing Workflow Bypass via Unauthorized overrideStatus Request Parameter

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-79

V. Comments for CVE-2026-34739

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