AVideo's SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL

WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site's public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration. Commit a0156a6398362086390d949190f9d52a823000ba fixes the issue.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

服务端请求伪造(SSRF)

WWBN AVideo 代码问题漏洞

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及之前版本存在代码问题漏洞，该漏洞源于objects/functions.php中的isSSRFSafeURL函数存在同域短路，可能导致攻击者使用非标准端口访问服务器任意端口，并外泄响应正文。

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