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CVE-2026-84477— AVideo Stored XSS via Live Schedule Title Description

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.

在 AVideo 中， 的 和 方法在存储 POST 输入时未进行清洗（sanitization），这使得拥有直播权限的用户能够注入恶意脚本。此外，未认证的 attackers 可以通过访问 在受害者的浏览器中触发存储型 XSS（跨站脚本）攻击，且无需进行身份验证。

CVSS 5.4 · Medium
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I. Basic Information for CVE-2026-84477

Vulnerability Information
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Vulnerability Title
AVideo Stored XSS via Live Schedule Title Description
Source: CVE Program / CVE List V5
Vulnerability Description
AVideo Live_schedule::setTitle() and setDescription() store POST input without sanitization, allowing users with streaming permission to inject malicious scripts. Unauthenticated attackers can access remindMe.php to execute stored XSS payloads in victim browsers without requiring authentication.
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

Affected Products

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

II. Public POCs for CVE-2026-84477

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III. Intelligence Information for CVE-2026-84477

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Other References for CVE-2026-84477 (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-2026-84476 7.5 HIGH WWBN AVideo Authentication Bypass via X-Real-IP Header
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-2026-84483 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-79

V. Comments for CVE-2026-84477

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