---------------------------------------------------------------------- Automatically map installed applications and missing security updates across your internal network. Join the FREE BETA test of the Network Software Inspector! http://secunia.com/network_software_inspector/ The NSI detects more than 4,000 different Windows applications and provides detailed and accurate reports about missing security updates and end-of-life products. ---------------------------------------------------------------------- TITLE: Big Blue Guestbook "comments" Script Insertion SECUNIA ADVISORY ID: SA24997 VERIFY ADVISORY: http://secunia.com/advisories/24997/ CRITICAL: Moderately critical IMPACT: Cross Site Scripting WHERE: >From remote SOFTWARE: Big Blue Guestbook http://secunia.com/product/14021/ DESCRIPTION: seko has discovered a vulnerability in Big Blue Guestbook, which can be exploited by malicious people to conduct cross-site scripting attacks. Input passed to the "comments" parameter in signguestbook.php is not properly sanitised before being stored. This can be exploited to insert arbitrary HTML and script code, which can be executed in a user's browser session in context of an affected site when the guestbook is viewed. SOLUTION: Edit the source code to ensure that input is properly sanitised. PROVIDED AND/OR DISCOVERED BY: seko ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------