En resumen
- CVE-2025-49594 es una vulnerabilidad CRÍTICO (CVSS 9.2) que afecta a org.xwiki.contrib.oidc:oidc-authenticator.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.44%, mayor que el 38.4% de las vulnerabilidades.
- Solución: actualizar a 2.18.2 o posterior.
Description
Impact
Anyone with VIEW access to a user profile can create a token for that user. If that XWiki instance is configured to allow token authentication, it allows authentication with any user (since users are very commonly viewable, at least to other registered users).
Patches
Version 2.18.2.
Workarounds
The only workaround is to disable token access.
References
For more information
If you have any questions or comments about this advisory:
NVD description
XWiki OIDC has various tools to manipulate OpenID Connect protocol in XWiki. Starting in version 2.17.1 and prior to version 2.18.2, anyone with VIEW access to a user profile can create a token for that user. If that XWiki instance is configured to allow token authentication, it allows authentication with any user (since users are very commonly viewable, at least to other registered users). Version 2.18.2 contains a patch. As a workaround, disable token access.
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