Cross-site Scripting (XSS) Vulnerabilities in eazyCMS
| Advisory ID: | HTB22553 |
| Product: | eazyCMS |
| Vendor: | eazyCMS Team |
| Vulnerable Versions: | Current on 28.07.2010 and probably prior |
| Tested Version: | Current on 28.07.2010 |
| Advisory Publication: | July 28, 2010 [without technical details] |
| Vendor Notification: | July 28, 2010 |
| Public Disclosure: | August 11, 2010 |
| Vulnerability Type: | Cross-Site Scripting [CWE-79] |
| Risk Level: | Low |
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| CVSSv2 Base Score: | 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N) |
| Solution Status: | Fixed by Vendor |
| Discovered and Provided: | High-Tech Bridge Security Research Lab |
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Advisory Details: |
High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in eazyCMS which could be exploited to perform cross-site scripting attacks.
1) Cross-site scripting (XSS) vulnerabilities in eazyCMS
1.1 The vulnerability exists due to input sanitation error in the "page_id" parameter in eazycms.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Successful exploitation requires that victim is logged-in into the application and has access to administrative interface.
Exploitation example:
http://admin.host/eazycms.php?action=&page_id=2%22%3E%3Cscript%3Ealert%28doc ument.cookie%29%3C/scrip t%3E
1.2 The vulnerability exists due to input sanitation error in the "filter_keywords" parameter in formedit.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Successful exploitation requires that victim is logged-in into the application and has access to administrative interface.
Exploitation example:
http://admin.host/formedit.php?action=list&filter_keywords=%22%3E%3Cscript%3 Ealert%28document.cookie %29%3C/script%3E
1.3 The vulnerability exists due to input sanitation error in the "title" parameter in eazycms_header.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Successful exploitation requires that victim is logged-in into the application and has access to administrative interface.
Exploitation example:
http://host/eazycms_header.php?title=%3Cscript%3Ealert%28document.cookie%29% 3C/script%3E
1.4 The vulnerability exists due to input sanitation error in the "username" parameter in indexcms.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Successful exploitation requires that victim is logged-in into the application and has access to administrative interface.
Exploitation example:
http://admin.host/indexcms.php?error_code=-1&username=1%22%3E%3Cimg+src=x+on error=alert%28document.c ookie%29%3E |
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Solution: |
| Upgrade to the most recent version |
| |
References: |
[1] High-Tech Bridge Advisory HTB22553 - https://www.immuniweb.com/advisory/HTB22553 - Cross-site Scripting (XSS) Vulnerabilities in eazyCMS
[2] eazyCMS - eazycms.com - eazyCMS is a powerful content management system, developed and maintained by Eazyweb Internet Services since 2000.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types. |
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