CVE-2025-66312: Grav Admin Plugin is vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/accounts/groups/[group]` parameter `data[readableName]`

December 2, 2025

A Stored Cross-Site Scripting (XSS) vulnerability was identified in the /admin/accounts/groups/Grupo endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[readableName] parameter. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users, posing a significant security risk.

References

github.com/advisories/GHSA-rmw5-f87r-w988
github.com/getgrav/grav
github.com/getgrav/grav-plugin-admin/commit/99f653296504f1d6408510dd2f6f20a45a26f9b0
github.com/getgrav/grav/security/advisories/GHSA-rmw5-f87r-w988
nvd.nist.gov/vuln/detail/CVE-2025-66312

Code Behaviors & Features

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