Koha Library Software OPAC Multiple Cross Site Scripting Vulnerabilities

Summary
The host is running Koha Library Software and is prone to multiple cross-site scripting vulnerabilities.
Impact
Successful exploitation will allow remote attackers to insert arbitrary HTML and script code, which will be executed in a user's browser session in the context of an affected site. Impact Level: Application
Solution
Upgrade to Koha Library Software version 3.4.2 or later, For updates refer to http://koha-community.org/
Insight
The flaws are due to improper validation of user-supplied input in 'bib_list' parameter to opac-downloadcart.pl, 'biblionumber' parameter to opac-serial-issues.pl, opac-addbybiblionumber.pl, opac-review.pl and 'shelfid' parameter to opac-sendshelf.pl and opac-downloadshelf.pl.
Affected
Koha Library Software versions 3.4.1 and prior.
References