CVE-2021-43808: fallo de gravedad media en laravel framework
Blade `@parent` Exploitation Leading To Possible XSS in Laravel
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.3epss 0.8%
Laravel is a web application framework. Laravel prior to versions 8.75.0, 7.30.6, and 6.20.42 contain a possible cross-site scripting (XSS) vulnerability in the Blade templating engine. A broken HTML element may be clicked and the user taken to another location in their browser due to XSS. This is due to the user being able to guess the parent placeholder SHA-1 hash by trying common names of sections. If the parent template contains an exploitable HTML structure an XSS vulnerability can be exposed. This vulnerability has been patched in versions 8.75.0, 7.30.6, and 6.20.42 by determining the parent placeholder at runtime and using a random hash that is unique to each request.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Productos afectados
laravel · frameworkCVEs relacionadas — laravel framework
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Referencias
https://github.com/laravel/framework/commit/b8174169b1807f36de1837751599e2828ceddb9bhttps://github.com/laravel/framework/pull/39906https://github.com/laravel/framework/pull/39908https://github.com/laravel/framework/pull/39909https://github.com/laravel/framework/releases/tag/v6.20.42https://github.com/laravel/framework/releases/tag/v7.30.6https://github.com/laravel/framework/releases/tag/v8.75.0https://github.com/laravel/framework/security/advisories/GHSA-66hf-2p6w-jqfw