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CVE-2026-34611— AVideo: CSRF on emailAllUsers.json.php Enables Mass Phishing Email to All Users

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 26.0及之前版本存在跨站请求伪造漏洞，该漏洞源于objects/emailAllUsers.json.php端点缺少CSRF令牌验证，可能导致攻击者以管理员身份向所有注册用户发送任意HTML邮件。

CVSS 6.5 · Medium EPSS 0.17% · P6
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I. Basic Information for CVE-2026-34611

Vulnerability Information
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Vulnerability Title
AVideo: CSRF on emailAllUsers.json.php Enables Mass Phishing Email to All Users
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In versions 26.0 and prior, the AVideo endpoint objects/emailAllUsers.json.php allows administrators to send HTML emails to every registered user on the platform. While the endpoint verifies admin session status, it does not validate a CSRF token. Because AVideo sets SameSite=None on session cookies, a cross-origin POST request from an attacker-controlled page will include the admin's session cookie automatically. An attacker who lures an admin to a malicious page can send an arbitrary HTML email to every user on the platform, appearing to originate from the instance's legitimate SMTP address. At time of publication, there are no publicly available patches.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 跨站请求伪造漏洞
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 26.0及之前版本存在跨站请求伪造漏洞，该漏洞源于objects/emailAllUsers.json.php端点缺少CSRF令牌验证，可能导致攻击者以管理员身份向所有注册用户发送任意HTML邮件。
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 <= 26.0 -

II. Public POCs for CVE-2026-34611

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III. Intelligence Information for CVE-2026-34611

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Vendor Advisories for CVE-2026-34611 (1)

Same Patch Batch · WWBN · 2026-03-31 · 13 CVEs total

CVE-2026-34394 8.1 HIGH AVideo: CSRF on Admin Plugin Configuration Enables Payment Credential Hijacking
CVE-2026-34731 7.5 HIGH AVideo: Unauthenticated Live Stream Termination via RTMP Callback on_publish_done.php
CVE-2026-34395 6.5 MEDIUM AVideo: Mass User PII Disclosure via Missing Authorization in YPTWallet users.json.php
CVE-2026-34613 6.5 MEDIUM AVideo: CSRF on Plugin Enable/Disable Endpoint Allows Disabling Security Plugins
CVE-2026-34737 6.5 MEDIUM AVideo: Arbitrary Stripe Subscription Cancellation via Debug Endpoint and retrieveSubscrip
CVE-2026-34740 6.5 MEDIUM AVideo: Stored SSRF via Video EPG Link Missing isSSRFSafeURL() Validation
CVE-2026-34733 6.5 MEDIUM AVideo: Unauthenticated File Deletion via PHP Operator Precedence Bug in CLI Guard
CVE-2026-34716 6.4 MEDIUM AVideo: DOM XSS via Unsanitized Display Name in WebSocket Call Notification
CVE-2026-34739 6.1 MEDIUM AVideo: Reflected XSS via Unescaped ip Parameter in User_Location testIP.php
CVE-2026-34396 6.1 MEDIUM AVideo: Stored XSS via Unescaped Plugin Configuration Values in Admin Panel
CVE-2026-34732 5.3 MEDIUM AVideo: Missing Authentication in CreatePlugin list.json.php Template Affects 21 Endpoints
CVE-2026-34738 4.3 MEDIUM AVideo: Video Publishing Workflow Bypass via Unauthorized overrideStatus Request Parameter

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-352

V. Comments for CVE-2026-34611

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