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CVE-2026-85159— AVideo Reflected XSS via cancelUri in userLogin.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组织开源的一个视频分享与内容管理平台。 WWBN AVideo c91b5975d及之前版本存在跨站脚本漏洞，该漏洞源于userLogin.php中cancelUri参数在href属性中被回显，且isSafeRedirectURL仅检查协议而未检查HTML字符，容易受到反射型跨站脚本攻击，未认证攻击者可通过包含引号的相对URL注入事件处理程序，当用户点击取消按钮时执行任意JavaScript。

CVSS 5.4 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1595.001 · Scanning IP Blocks

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo ≤ c91b5975d affected
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I. Basic Information for CVE-2026-85159

Vulnerability Information
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Vulnerability Title
AVideo Reflected XSS via cancelUri in userLogin.php
Source: CVE Program / CVE List V5
Vulnerability Description
AVideo through commit c91b5975d contains a reflected cross-site scripting vulnerability in userLogin.php where the cancelUri parameter is echoed in an href attribute after isSafeRedirectURL checks protocol only, not HTML characters. Unauthenticated attackers can inject event handlers via relative URLs with embedded quotes to execute arbitrary JavaScript when users interact with the Cancel button.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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组织开源的一个视频分享与内容管理平台。 WWBN AVideo c91b5975d及之前版本存在跨站脚本漏洞，该漏洞源于userLogin.php中cancelUri参数在href属性中被回显，且isSafeRedirectURL仅检查协议而未检查HTML字符，容易受到反射型跨站脚本攻击，未认证攻击者可通过包含引号的相对URL注入事件处理程序，当用户点击取消按钮时执行任意JavaScript。
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 0 ~ c91b5975d -

II. Public POCs for CVE-2026-85159

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III. Intelligence Information for CVE-2026-85159

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Vendor Advisories for CVE-2026-85159 (2)

Same Patch Batch · WWBN · 2026-09-03 · 11 CVEs total

CVE-2026-85154 9.8 CRITICAL WWBN AVideo Authentication Bypass via Non-Expiring video_id_hash
CVE-2026-85160 8.1 HIGH AVideo through c91b5975d CSRF and Path Traversal via stopLive.php
CVE-2026-85155 7.5 HIGH WWBN AVideo SQL Injection via get.json.php APIName channels
CVE-2026-85164 7.1 HIGH WWBN AVideo Server-Side Request Forgery via set_api_userImages
CVE-2026-85162 6.5 MEDIUM AVideo through c91b5975d CSRF via saveLive.php
CVE-2026-85163 6.5 MEDIUM AVideo Server-Side Request Forgery via epg_link parameter
CVE-2026-85158 5.4 MEDIUM AVideo Reflected XSS via videoEmbeded.php link parameter
CVE-2026-85156 5.3 MEDIUM WWBN AVideo Broken Access Control via Channel Page
CVE-2026-85157 5.3 MEDIUM WWBN AVideo Broken Access Control via feed/index.php program_id
CVE-2026-85161 4.3 MEDIUM AVideo removePoster.php Cross-Site Request Forgery File Deletion

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-85159

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