CVE-2026-53654

Grav is a file-based Web platform. Prior to 3.8.5, the Login plugin twofa_cancel task accepts a client-controlled _redirect field without a nonce and allows an unauthenticated request to set an external http, https, or protocol-relative Location target. Controller::execute() applies the field when taskTwofa_cancel() sets no redirect, and Grav::getRedirectResponse() accepts the target through Uri::isExternal(), enabling phishing redirects from a trusted Grav host. This issue is fixed in version 3.8.5.

• CWE-601

• https://github.com/getgrav/grav-plugin-login/commit/1535e51d2a9cbc3f1bb1e262e791c142a06ce959
• https://github.com/getgrav/grav-plugin-login/releases/tag/3.8.5
• https://github.com/getgrav/grav/security/advisories/GHSA-wwcc-xxhc-44j6
• https://github.com/getgrav/grav/security/advisories/GHSA-wwcc-xxhc-44j6

Published

Aug 19, 2026

Last Modified

Sep 9, 2026

Status

Deferred

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