Cross-site scripting (XSS) vulnerability in comersus_searchItem.asp in Comersus 3.90 to 4.51 allows remote attackers to inject arbitrary web script or HTML via the curPage parameter.
CRLF injection vulnerability in Comersus Shopping Cart 5.0991 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the redirecturl parameter.
Multiple cross-site scripting (XSS) vulnerabilities in (1) comersus_customerAuthenticateForm.asp, (2) comersus_backoffice_message.asp, (3) comersus_supportError.asp, or (4) comersus_message.asp in Comersus Cart 5.09 allow remote attackers to execute web script as other users via the message parameter.
comersus_gatewayPayPal.asp in Comersus Cart 5.09, and possibly other versions before 5.098, allows remote attackers to change the prices of items by directly modifying them in the URL.