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phpBB: Cross-Site Scripting Vulnerability


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200505-10 / phpBB
Release Date May 14, 2005
Latest Revision May 14, 2005: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
www-apps/phpBB < 2.0.15 >= 2.0.15 All supported architectures

Related bugreports: #90213


phpBB is vulnerable to a cross-site scripting attack that could allow arbitrary scripting code execution.

2.  Impact Information


phpBB is an Open Source bulletin board package.


phpBB is vulnerable to a cross-site scripting vulnerability due to improper sanitization of user supplied input. Coupled with poor validation of BBCode URLs which may be included in a forum post, an unsuspecting user may follow a posted link triggering the vulnerability.


Successful exploitation of the vulnerability could cause arbitrary scripting code to be executed in the browser of a user.

3.  Resolution Information


There are no known workarounds at this time.


All phpBB users should upgrade to the latest version:

Code Listing 3.1: Resolution

emerge --sync
emerge --ask --oneshot --verbose ">=www-apps/phpBB-2.0.15"

4.  References


Page updated May 14, 2005

Summary: This is a Gentoo Linux Security Advisory

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