Vulnerability Information
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Vulnerability Title
AVideo has Stored Cross-Site Scripting via Markdown Comment Injection
Vulnerability Description
WWBN AVideo is an open source video platform. Prior to version 21.0, AVideo allows Markdown in video comments and uses Parsedown (v1.7.4) without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing `javascript:` URIs to be rendered as clickable links. An authenticated low-privilege attacker can post a malicious comment that injects persistent JavaScript. When another user clicks the link, the attacker can perform actions such as session hijacking, privilege escalation (including admin takeover), and data exfiltration. Version 21.0 contains a fix. As a workaround, validate and block unsafe URI schemes (e.g., `javascript:`) before rendering Markdown, and enable Parsedown Safe Mode.
CVSS Information
N/A
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
WWBN AVideo 跨站脚本漏洞
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 21.0之前版本存在跨站脚本漏洞，该漏洞源于视频评论中的Markdown链接清理不足，可能导致存储型跨站脚本攻击。
CVSS Information
N/A
Vulnerability Type
N/A