Yeswiki Vulnerable to Authenticated Reflected Cross-site Scripting
Summary
Vulnerable Version: Yeswiki < v4.5.4
Vulnerable Endpoint: /?PagePrincipale%2Fdeletepage
Vulnerable Parameter: incomingurl
Payload: "><script>alert(1)</script>
Details
Reflected Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in the form of a browser-side script, to a different end user. Flaws that allow these attacks to succeed are quite widespread and occur anywhere a web application uses input from a user within the output it generates without validating or encoding it.
PoC
NOTE: This vulnerability requires admin access.
-
Visit the endpoint as mentioned below and see that an alert box pops up:
URL with Payload:
https://yeswiki.net/?PagePrincipale%2Fdeletepage&incomingurl="><script>alert(1)</script>
Impact
An attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. This vulnerability may also allow attackers to deface the website or embed malicious content.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de Composer | yeswiki/yeswiki | < 4.5.4 | 4.5.4 |
Referencias
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N- Debilidad (CWE)
CWE-79- Plataforma
- Composer
- Paquete
yeswiki/yeswiki- Publicada
- 29.04.2025
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-cg4f-cq8h-3ch8 - CC BY 4.0
Historial de vulnerabilidades: yeswiki/yeswiki
Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 31
- Primera → última
- 03.2022 07.2026
- Sin corrección
- 2
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 5
- Alta 16
- Media 8
- Baja 2
Divulgaciones por año
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 12
- 2026: 17
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Yeswiki Vulnerable to Authenticated Reflected Cross-site Scripting esta entrada
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