Total Tests:

Cross-site Scripting (XSS) Vulnerabilities in phpScheduleIt

Advisory ID:HTB22987
Product:phpScheduleIt
Vendor:phpScheduleIt Team
Vulnerable Versions:1.2.12 and probably prior
Tested Version:1.2.12
Advisory Publication:May 5, 2011 [without technical details]
Vendor Notification:May 5, 2011
Public Disclosure:May 19, 2011
Latest Update:March 2, 2012
Vulnerability Type:Cross-Site Scripting [CWE-79]
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in phpScheduleIt which could be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerabilities in phpScheduleIt
1.1 The vulnerability exists due to input sanitation errors in URL in the forgot_pwd.php, index.php, register.php and roschedule.php scripts. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation examples:
http://[host]/forgot_pwd.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3 C/script%3E
http://[host]/index.php/%22%3E%3Cscript%3Ealert%28document.cook ie%29;%3C/script%3E
http://[host]/register.php/%22%3E%3Cscript%3Ealert%28do cument.cookie%29;%3C/script%3E
http://[host]/roschedule.php/%22%3E%3Cscript %3Ealert%28document.cookie%29;%3C/script%3E

1.2 The vulnerability exists due to input sanitation error in the "scheduleid" parameter in popCalendar.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation example:
http://[host]/popCalendar.php?scheduleid=%22%3E%3Cscript%3Ealert%28document. cookie%29;%3C/script%3E

How to Detect Cross-Site Scripting Vulnerabilities
Website Security Test
  • GDPR & PCI DSS Test
  • Website CMS Security Test
  • CSP & HTTP Headers Check
  • WordPress & Drupal Scanning
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Solution:
Upgrade to the most recent version


References:
[1] High-Tech Bridge Advisory HTB22987 - https://www.immuniweb.com/advisory/HTB22987 - Cross-site Scripting (XSS) Vulnerabilities in phpScheduleIt
[2] phpScheduleIt - php.brickhost.com - phpScheduleIt is an Open Source web-based resource and reservation scheduling system.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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