Chevereto upload script index.php cross-site scripting

chevereto-index-xss (75476)

Medium Risk

Description:

Chevereto upload script is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the index.php script. A remote attacker could exploit this vulnerability using the txt parameter in a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

*CVSS:

Base Score:	4.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	4.1
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of May 1, 2013.

References:

• Chevereto Web site: Chevereto upload script.
• Packetstorm Security Website: Chevreto Upload Script Cross Site Scripting / User Enumeration.
• BID-53448: Chevereto Image Upload Script Cross Site Scripting and Information Disclosure Vulnerability
• CVE-2012-2918: Cross-site scripting (XSS) vulnerability in Upload/engine.php in Chevereto 1.91 allows remote attackers to inject arbitrary web script or HTML via the v parameter.
• OSVDB ID: 82271: Chevereto Upload/engine.php v Parameter XSS

Platforms Affected:

• Chevereto Chevereto upload script 1.91

Reported:

May 10, 2012

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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