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CVE-2026-88869— AVideo AD_Server Stored XSS via log.php label parameter

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 c3edcc274c389816d434acadac07ee78eaf330c1及之前版本存在跨站脚本漏洞，该漏洞源于AD_Server插件log.php端点未对label参数进行转义，导致存储型跨站脚本，未经身份验证的攻击者可通过注入恶意HTML在管理员Ad Types报告渲染时执行任意JavaScript。

CVSS 9.3 · Critical EPSS 0.53% · P45

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo ≤ c3edcc274c389816d434acadac07ee78eaf330c1 affected
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I. Basic Information for CVE-2026-88869

Vulnerability Information
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Vulnerability Title
AVideo AD_Server Stored XSS via log.php label parameter
Source: CVE Program / CVE List V5
Vulnerability Description
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the AD_Server plugin's log.php endpoint that fails to escape the label parameter before storage. An unauthenticated attacker can inject malicious HTML through the label parameter, which is later rendered unsanitized in the admin Ad Types report using jQuery .html(), allowing execution of arbitrary JavaScript in an administrator's browser session.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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 c3edcc274c389816d434acadac07ee78eaf330c1及之前版本存在跨站脚本漏洞，该漏洞源于AD_Server插件log.php端点未对label参数进行转义，导致存储型跨站脚本，未经身份验证的攻击者可通过注入恶意HTML在管理员Ad Types报告渲染时执行任意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 ~ c3edcc274c389816d434acadac07ee78eaf330c1 -

II. Public POCs for CVE-2026-88869

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III. Intelligence Information for CVE-2026-88869

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Vendor Advisories for CVE-2026-88869 (2)

Same Patch Batch · WWBN · 2026-09-10 · 12 CVEs total

CVE-2026-88866 8.7 HIGH WWBN AVideo LoginControl Stored XSS via User-Agent Header
CVE-2026-88867 8.7 HIGH WWBN AVideo Stored XSS via Category Name and Icon Class
CVE-2026-88868 8.7 HIGH AVideo LiveLinks Stored XSS via title and description fields
CVE-2026-88865 8.1 HIGH AVideo Missing Authorization via getRestream.json.php
CVE-2026-88876 7.5 HIGH AVideo PlayerSkins seo.php Missing Authorization Password-Protected VOD
CVE-2026-88874 7.5 HIGH AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 Authentication Bypass
CVE-2026-88870 7.1 HIGH WWBN AVideo LoginControl PGP Key CSRF via GET Request
CVE-2026-88873 7.1 HIGH WWBN AVideo Cross-Site Request Forgery via logArchive.json.php
CVE-2026-88872 7.1 HIGH AVideo CustomizeUser setPassword.json.php CSRF
CVE-2026-88875 4.3 MEDIUM AVideo Incomplete API Sanitization Information Disclosure
CVE-2026-88871 4.3 MEDIUM WWBN AVideo CustomizeUser setSubscribers CSRF via GET

IV. Related Vulnerabilities

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