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CVE-2026-45580— WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute

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 29.0及之前版本存在跨站脚本漏洞，该漏洞源于Live插件YouTube风格视图将直播流密钥通过原始echo渲染到HTML类属性中，未使用htmlspecialchars，可能导致canStream用户持久化包含事件处理器的密钥，任何访问者执行攻击者JavaScript。

CVSS 5.4 · Medium EPSS 0.23% · P13

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo <= 29.0 affected
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I. Basic Information for CVE-2026-45580

Vulnerability Information
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Vulnerability Title
WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a stored cross-site scripting vulnerability. The Live plugin's "YouTube-style" view renders the live transmission's stream key into an HTML class attribute by raw echo, without htmlspecialchars(). A canStream user can persist a key containing " plus an event handler via plugin/Live/saveLive.php, and any visitor (logged in or anonymous) opening the stream's live page executes attacker JavaScript in the platform origin.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 29.0及之前版本存在跨站脚本漏洞，该漏洞源于Live插件YouTube风格视图将直播流密钥通过原始echo渲染到HTML类属性中，未使用htmlspecialchars，可能导致canStream用户持久化包含事件处理器的密钥，任何访问者执行攻击者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 <= 29.0 -

II. Public POCs for CVE-2026-45580

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III. Intelligence Information for CVE-2026-45580

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Vendor Advisories for CVE-2026-45580 (1)

Same Patch Batch · WWBN · 2026-05-29 · 9 CVEs total

CVE-2026-45578 8.8 HIGH WWBN AVideo Live: OS command injection in on_publish.php execAsync via unescaped m3u8 URL
CVE-2026-45619 6.5 MEDIUM AVideo CVE-2026-43884 incomplete fix - `isSSRFSafeURL()` call sites still discard the `$re
CVE-2026-45610 5.7 MEDIUM WWBN AVideo plugin/LoginControl/set.json.php: 2FA toggle endpoint has no CSRF protection,
CVE-2026-47694 5.4 MEDIUM WWBN AVideo: Stored XSS via unescaped Gallery category description
CVE-2026-45620 5.3 MEDIUM AVideo CVE-2026-43881 incomplete fix - `objects/mention.json.php:17` is an unauthenticated
CVE-2026-45731 WWBN AVideo: Authenticated Arbitrary File Read in view/update.php
CVE-2026-46337 WWBN AVideo: Unauthenticated Arbitrary Image Read via Path Traversal in `view/img/image404
CVE-2026-47696 WWBN AVideo: Authenticated wallet credit bypass in AuthorizeNet processPayment endpoint

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-45580

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