Cross-site Scripting (XSS) Vulnerabilities in Lantern CMS

This vulnerability was discovered by our security researchers before 2019.

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Advisory ID:	HTB22620
Product:	Lantern CMS
Vendor:	Lantern
Vulnerable Versions:	3.2.2 and probably prior and probably prior
Tested Version:	3.2.2 and probably prior
Advisory Publication:	September 22, 2010 [without technical details]
Vendor Notification:	September 22, 2010
Vendor Fix:	October 6, 2010
Public Disclosure:	October 6, 2010
Vulnerability Type:	Cross-Site Scripting [CWE-79]
Risk Level:	Medium

CVSSv2 Base Score:	4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status:	Fixed by Vendor
Discovered and Provided:	High-Tech Bridge Security Research Lab
Advisory Details:
High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in Lantern CMS which could be exploited to perform cross-site scripting attacks. 1) Cross-site scripting (XSS) vulnerability in Lantern CMS 1.1 The vulnerability exists due to input sanitation error in the "signupemail" parameter in www/html/7-home-page.asp. A remote attacker can send a specially crafted HTTP POST request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Exploitation example: <form method="POST" name="m" action="http://host/www/html/7-home-page.asp"> <input type="hidden" name="signupemail" value="%27%22%3E%3Cimg+src%3Dx+onerror%3Dalert%2834%29%3E"> <input type="hidden" name="signupsubmit" value="Submit"> </form> <script> document.m.submit(); </script> 1.2 The vulnerability exists due to input sanitation error in the "intPassedLocationID"parameter in www/html/11-login.asp. A remote attacker can send a specially crafted HTTP POST request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Exploitation example: http://host/www/html/11-login.asp?intPassedLocationID=57%27%22%3E%3Cscript%3 Ealert%2834%29%3C/script %3E
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References:
[1] High-Tech Bridge Advisory HTB22620 - https://www.immuniweb.com/advisory/HTB22620 - Cross-site Scripting (XSS) Vulnerabilities in Lantern CMS [2] Lantern CMS - lanterncms.com - Lantern CMS has been built with one goal in mind: to make managing your website a pleasure. [3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

Previous Security Advisories with CWE-79:

HTB22617: Cross-site Scripting (XSS) Vulnerabilities in Expression CMS

HTB22614: Multiple Vulnerabilities in Elxis CMS

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