| Título | Piwigo 16.3.0 Cross Site Scripting |
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| Descripción | Piwigo 16.3.0 (https://github.com/Piwigo/Piwigo) contains a reflected cross-site scripting vulnerability on public authentication-related pages such as identification.php, register.php, and password.php. The application reads the user-controlled lang cookie, and if the value is invalid, it embeds that cookie value directly into a fatal error HTML response without proper output encoding. As a result, attacker-controlled HTML or JavaScript in the lang cookie is reflected into the response body and executed in the victim browser. The issue is cookie-based rather than URL-only: exploitation requires the attacker to make the victim browser send a malicious lang cookie for the target origin. No authentication is required to reach the vulnerable pages. |
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| Fuente | ⚠️ https://github.com/Leousum/VulnPoC/blob/main/Piwigo%2016.3.0/reflected_XSS.md |
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| Usuario | Leousum (UID 37212) |
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| Sumisión | 2026-07-10 11:51 (hace 2 meses) |
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| Moderación | 2026-08-23 18:57 (1 month later) |
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| Estado | Aceptado |
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| Entrada de VulDB | 394569 [Piwigo 16.3.0 Public Authentication Page lang secuencias de comandos en sitios cruzados] |
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| Puntos | 20 |
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