phpBB: Cross-Site Scripting Vulnerability — GLSA 200505-10

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

Affected Packages

www-apps/phpBB on all architectures
Affected versions < 2.0.15
Unaffected versions >= 2.0.15

Background

phpBB is an Open Source bulletin board package.

Description

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.

Impact

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

Workaround

There are no known workarounds at this time.

Resolution

All phpBB users should upgrade to the latest version:

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

References

Release Date
May 14, 2005

Latest Revision
May 14, 2005: 01

Severity
normal

Exploitable
remote

Bugzilla entries