Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-84476— WWBN AVideo Authentication Bypass via X-Real-IP Header

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 在验证受信任代理之前未对 和 头进行校验，这使得攻击者能够伪造由 使用的客户端地址。攻击者可以通过在每个请求中轮换这些头的值，从而绕过登录频率限制，并进行无限次的凭证猜测攻击。

CVSS 7.5 · High
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-84476

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WWBN AVideo Authentication Bypass via X-Real-IP Header
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit(). Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WWBN AVideo 0 ~ 29.0 -

II. Public POCs for CVE-2026-84476

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-84476

请登录查看更多情报信息。

Other References for CVE-2026-84476 (2)

Same Patch Batch · WWBN · 2026-09-01 · 11 CVEs total

CVE-2026-84480 9.8 CRITICAL WWBN AVideo Password Recovery Token Expiration Bypass
CVE-2026-84479 9.1 CRITICAL WWBN AVideo Authentication Bypass via User-Agent Header
CVE-2026-84482 8.8 HIGH WWBN AVideo Cross-Site Request Forgery via get_domain() validation
CVE-2026-84187 8.2 HIGH AVideo on_publish.php Missing Authentication Check via RTMP Callback
CVE-2026-83595 8.1 HIGH AVideo Cross-Site Request Forgery via plugin/API/set.json.php
CVE-2026-84208 7.5 HIGH AVideo User_Location Plugin Unauthenticated SQL Injection
CVE-2026-84478 7.3 HIGH WWBN AVideo Unauthenticated Arbitrary Log File Deletion
CVE-2026-84481 6.9 MEDIUM WWBN AVideo through 30.0 Information Disclosure via MobileManager
CVE-2026-84477 5.4 MEDIUM AVideo Stored XSS via Live Schedule Title Description
CVE-2026-84483 5.3 MEDIUM WWBN AVideo Unauthenticated Password Hash Oracle via encryptPass.json.php

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-290

V. Comments for CVE-2026-84476

No comments yet

Leave a comment