Cross Site Scripting (XSS) vulnerability in ECShop 4.0 due to security filtering issues, in the user.php file, we can use the html entity encoding to bypass the security policy of the safety.php file, triggering the xss vulnerability.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20640
Reference (s):
- https://www.jianshu.com/p/219755c047a1