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CVE-2026-45620— AVideo CVE-2026-43881 incomplete fix - `objects/mention.json.php:17` is an unauthenticated user enumeration

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及之前版本存在授权问题漏洞，该漏洞源于objects/mention.json.php缺少用户登录检查和管理员门控，仅通过正则表达式和硬编码行数进行入口防护，可能导致未经身份验证的用户枚举。

CVSS 5.3 · Medium EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo <= 29.0 affected
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I. Basic Information for CVE-2026-45620

Vulnerability Information
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Vulnerability Title
AVideo CVE-2026-43881 incomplete fix - `objects/mention.json.php:17` is an unauthenticated user enumeration
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In 29.0 and earlier, objects/mention.json.php has no User::loginCheck() or admin gate. It only has an entry guard: preg_match('/^@/', $_REQUEST['term']) and hard-coded rowCount=10. This enables unauthenticated user enumeration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 授权问题漏洞
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及之前版本存在授权问题漏洞，该漏洞源于objects/mention.json.php缺少用户登录检查和管理员门控，仅通过正则表达式和硬编码行数进行入口防护，可能导致未经身份验证的用户枚举。
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-2026-45620

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III. Intelligence Information for CVE-2026-45620

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Vendor Advisories for CVE-2026-45620 (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-2026-45580 5.4 MEDIUM WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribu
CVE-2026-47694 5.4 MEDIUM WWBN AVideo: Stored XSS via unescaped Gallery category description
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-204

V. Comments for CVE-2026-45620

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