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CVE-2026-82646— WWBN AVideo Unauthenticated Reflected XSS via url2Embed.json.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存在跨站脚本漏洞，该漏洞源于url2Embed.json.php端点对用户提供的URL中的HTML元字符处理不当，未经身份验证的攻击者可注入恶意脚本，在受害者会话中执行JavaScript并窃取Cookie或CSRF令牌。

CVSS 6.1 · Medium EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo any affected
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I. Basic Information for CVE-2026-82646

Vulnerability Information
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Vulnerability Title
WWBN AVideo Unauthenticated Reflected XSS via url2Embed.json.php
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo contains an unauthenticated reflected cross-site scripting vulnerability in the url2Embed.json.php endpoint that allows attackers to inject malicious scripts by supplying URLs with HTML metacharacters. Attackers can mint an encrypted evideo payload containing unescaped markup, then deliver it as a legitimate-looking link on the site's own domain to execute JavaScript in victims' sessions and steal cookies or CSRF tokens.
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组织开源的一个视频分享与内容管理平台。 WWBN AVideo存在跨站脚本漏洞，该漏洞源于url2Embed.json.php端点对用户提供的URL中的HTML元字符处理不当，未经身份验证的攻击者可注入恶意脚本，在受害者会话中执行JavaScript并窃取Cookie或CSRF令牌。
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 - -

II. Public POCs for CVE-2026-82646

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III. Intelligence Information for CVE-2026-82646

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Vendor Advisories for CVE-2026-82646 (2)

Same Patch Batch · WWBN · 2026-08-30 · 6 CVEs total

CVE-2026-82645 8.6 HIGH AVideo Unauthenticated Stream Credential Disclosure via Forgeable Token
CVE-2026-82644 7.5 HIGH WWBN AVideo Brute-force Rate Limiting Bypass via Missing User-Agent
CVE-2026-82648 7.1 HIGH WWBN AVideo SSRF Filter Bypass via NAT64 Hex Address
CVE-2026-82643 6.5 MEDIUM WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php
CVE-2026-82647 6.1 MEDIUM WWBN AVideo Cross-Site Request Forgery via sendEmail.json.php

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-82646

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