CVE-2025-46557— Any user with view access to the XWiki space can change the authenticator

Any user with view access to the XWiki space can change the authenticator

XWiki is a generic wiki platform. In versions starting from 15.3-rc-1 to before 15.10.14, from 16.0.0-rc-1 to before 16.4.6, and from 16.5.0-rc-1 to before 16.10.0-rc-1, a user who can access pages located in the XWiki space (by default, anyone) can access the page XWiki.Authentication.Administration and (unless an authenticator is set in xwiki.cfg) switch to another installed authenticator. Note that, by default, there is only one authenticator available (Standard XWiki Authenticator). So, if no authenticator extension was installed, it's not really possible to do anything for an attacker. Also, in most cases, if an SSO authenticator is installed and utilized (like OIDC or LDAP for example), the worst an attacker can do is break authentication by switching back to the standard authenticator (that's because it's impossible to login to a user which does not have a stored password, and that's usually what SSO authenticator produce). This issue has been patched in versions 15.10.14, 16.4.6, and 16.10.0-rc-1.

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授权机制缺失

XWiki Platform 安全漏洞

XWiki Platform是XWiki开源的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform 15.3-rc-1至15.10.14之前版本、16.0.0-rc-1至16.4.6之前版本和16.5.0-rc-1至16.10.0-rc-1之前版本存在安全漏洞，该漏洞源于身份验证器切换控制不当，可能导致身份验证绕过。

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