full-disclosure - [FD] Cross-Site Scripting Vulnerabilities in BigtreeCMS 4.4.11

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Message-ID: <CAKD6+R59k3K66HM1FdFY6GYdRKpUgoDc4bjRqCTeZ1m=3xzi0w@mail.gmail.com>
Date: Thu, 10 Dec 2020 10:57:26 +0100
From: Daniel Bishtawi via Fulldisclosure <fulldisclosure@...lists.org>
To: fulldisclosure@...lists.org, cert@...t.org, vuln@...unia.com, 
 bugs@...uritytracker.com, submissions@...ketstormsecurity.org
Subject: [FD] Cross-Site Scripting Vulnerabilities in BigtreeCMS 4.4.11

Hello,

We are informing you about Cross-Site Scripting Vulnerabilities in
BigtreeCMS 4.4.11.

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/

Regards,

[image: upload image]
Daniel Bishtawi | Marketing Administrator
E: daniel.bishtawi@...sparker.com <daniel.bishtawi@...sparker.com>

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