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b2evolution "redirect_to" HTML-Attribut Cross-Site-Scripting Advisory Available in English  Advisory Available in Danish 

Secunia Advisory: SA23656  
Herausgegeben: 2007-01-09
Last Update: 2007-01-22

Gefahrenstufe:
Nicht kritisch
Auswirkung: Cross-Site-Scripting
Von Wo: Aus dem Internet
Lösungsstatus: Hersteller-Patch

Software:b2evolution 1.x

CVE reference:CVE-2007-0175 (Secunia mirror)

Want to know the next time vulnerabilities are fixed in this product?
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Beschreibung:
unsticky hat eine Sicherheitslücke in b2evolution entdeckt, die böswillige Personen ausnutzen können, um Cross-Site-Scripting-Attacken durchzuführen.

Eingaben an den Parameter "redirect_to" in htsrv/login.php werden nicht korrekt gefiltert, bevor sie an einen Benutzer zurückgegeben werden. Dies kann ausgenutzt werden, um im Kontext einer betroffenen Seite beliebigen HTML- und Scriptcode in der Browsersitzung eines Benutzers auszuführen.

Eine erfolgreiche Ausnutzung erlaubt es, weitere Attribute (z.B. "onMouseOver") an den "Bypass login..."-Link hinzuzufügen.

Die Sicherheitslücke wurde in Version 1.8.6 bestätigt. Andere Versionen können ebenfalls betroffen sein.

Lösung:
Aktualisieren Sie auf Version 1.8.7.

Gemeldet und/oder entdeckt von:
unsticky

Änderungen:
2007-01-17: CVE-Referenz hinzugefügt.
2007-01-22: "Lösung" aktualisiert.



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

2 Related Secunia Security Advisories

1. b2evolution "inc_path" Einbindung von Dateien
2. b2evolution Mehrere Cross-Site-Scripting-Sicherheitslücken


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