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I. Basic Information for CVE-2026-2543
Vulnerability Information

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Vulnerability Title
vichan-devel vichan Password Change pages.php unverified password change
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in vichan-devel vichan up to 5.1.5. This vulnerability affects unknown code of the file inc/mod/pages.php of the component Password Change Handler. The manipulation of the argument Password leads to unverified password change. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经验证的口令修改
Source: NVD (National Vulnerability Database)
Vulnerability Title
vichan 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vichan是vichan-devel开源的一个PHP图像板。 vichan 5.1.5及之前版本存在授权问题漏洞,该漏洞源于文件inc/mod/pages.php中组件Password Change Handler对参数Password的操作导致密码更改未经验证,可能导致远程攻击。
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
vichan-develvichan 5.1.0 -
II. Public POCs for CVE-2026-2543
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III. Intelligence Information for CVE-2026-2543
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