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I. Basic Information for CVE-2026-33480
Vulnerability Information

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Vulnerability Title
AVideo has a SSRF Protection Bypass via IPv4-Mapped IPv6 Addresses in Unauthenticated LiveLinks Proxy
Source: NVD (National Vulnerability Database)
Vulnerability Description
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `isSSRFSafeURL()` function in AVideo can be bypassed using IPv4-mapped IPv6 addresses (`::ffff:x.x.x.x`). The unauthenticated `plugin/LiveLinks/proxy.php` endpoint uses this function to validate URLs before fetching them with curl, but the IPv4-mapped IPv6 prefix passes all checks, allowing an attacker to access cloud metadata services, internal networks, and localhost services. Commit 75ce8a579a58c9d4c7aafe453fbced002cb8f373 contains a patch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WWBN AVideo 代码问题漏洞
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及之前版本存在代码问题漏洞,该漏洞源于isSSRFSafeURL函数可使用IPv4映射的IPv6地址绕过,可能导致未经身份验证的plugin/LiveLinks/proxy.php端点访问云元数据服务、内部网络和本地主机服务。
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
VendorProductAffected VersionsCPESubscribe
WWBNAVideo <= 26.0 -
II. Public POCs for CVE-2026-33480
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III. Intelligence Information for CVE-2026-33480
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IV. Related Vulnerabilities
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