Multiple Vulnerabilities in Pixelpost

This vulnerability was discovered by our security researchers before 2019.

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Advisory ID:	HTB22791
Product:	Pixelpost
Vendor:	Pixelpost
Vulnerable Versions:	1.7.3 and probably prior
Tested Version:	1.7.3
Advisory Publication:	January 11, 2011 [without technical details]
Vendor Notification:	January 11, 2011
Public Disclosure:	January 25, 2011
Vulnerability Type:	Cross-Site Scripting [CWE-79] Path Traversal [CWE-22]
Risk Level:	Medium

CVSSv2 Base Scores:	4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 5 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Discovered and Provided:	High-Tech Bridge Security Research Lab
Advisory Details:
High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in Pixelpost which could be exploited to perform cross-site scripting attacks and disclose potentially sensitive information. 1) Cross-site scripting vulnerability in Pixelpost The vulnerability exists due to input sanitation error in the "visitorinfo" cookie in index.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. Exploitation example: GET /index.php?popup=comment&showimage=1 HTTP/1.1 Cookie: visitorinfo=1'><script>alert("XSS")%3B</script>%25 2) Information disclosure vulnerability in Pixelpost The vulnerability exists due to insufficient sanitation of input data in the "lang" in index.php. A remote attacker can read arbitrary files on the target system. Successful exploitation requires that register_globals is enabled. Exploitation example: GET /index.php?popup=comment&language_full=english HTTP/1.1 Cookie: lang=/../../../includes/pixelpost.php%00
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Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.

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References:
[1] High-Tech Bridge Advisory HTB22791 - https://www.immuniweb.com/advisory/HTB22791 - Multiple Vulnerabilities in Pixelpost [2] Pixelpost - pixelpost.org - Pixelpost is an open-source, standards-compliant, multi-lingual, fully extensible photoblog application for the web. [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-22:

HTB22710: Multiple Vulnerabilities in Etomite

HTB22624: Directory Traversal Vulnerability in CrossFTP Pro

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