CVE-2020-13893: XSS
Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-13893?
CVE-2020-13893 is a vulnerability that allows authenticated attackers to inject arbitrary web script or HTML via multiple parameters in Sage EasyPay 10.7.5.10.
What is the severity of CVE-2020-13893?
The severity of CVE-2020-13893 is medium with a severity value of 5.4.
How can authenticated attackers exploit CVE-2020-13893?
Authenticated attackers can exploit CVE-2020-13893 by injecting arbitrary web script or HTML via multiple parameters in Sage EasyPay 10.7.5.10.
How can I fix CVE-2020-13893 in Sage EasyPay 10.7.5.10?
To fix CVE-2020-13893 in Sage EasyPay 10.7.5.10, update to a version that has patched the vulnerability and sanitize user input to prevent the injection of arbitrary web script or HTML.
Is there any additional information about CVE-2020-13893?
Additional information about CVE-2020-13893 can be found at the following references: [https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655](https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655) and [https://www.sage.com/en-sg/products/sage-easypay/](https://www.sage.com/en-sg/products/sage-easypay/)