Exponent CMS new account cross-site scripting
| exponentcms-newaccount-xss (41878) |  Medium Risk |
Description:
Exponent CMS is vulnerable to cross-site scripting, caused by improper validation of user-supplied input when creating a new account. A remote attacker could exploit this vulnerability using the username, firstname, lastname, and e-mail address fields to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. 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: | 3.7 |
| Exploitability: | High |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply the patch for this vulnerability (Security Patch 04172008), available from SourceForge.net: Files. See References.
References:
- Exponent CMS Web site: Security Patch Released.
- SourceForge.net: Files: Exponent Content Management System.
- BID-28834: Exponent CMS Multiple HTML Injection Vulnerabilities
- CVE-2008-1972: Multiple cross-site scripting (XSS) vulnerabilities in the user account creation feature in Exponent CMS 0.96.6-GA20071003 and earlier, when the Allow Registration? configuration option is enabled, allow remote attackers to inject arbitrary web script or HTML via the (1) username, (2) firstname, (3) lastname, and (4) e-mail address fields. NOTE: some of these details are obtained from third party information.
- SA29875: Exponent CMS User Registration Script Insertion
Platforms Affected:
- Exponent Exponent CMS 0.94
- Exponent Exponent CMS 0.95
- Exponent Exponent CMS 0.96.1
- Exponent Exponent CMS 0.96.3
- Exponent Exponent CMS 0.96.4
- Exponent Exponent CMS 0.96.5 Rc1
- Exponent Exponent CMS 0.96.6
- Exponent Exponent CMS 0.96.6 Alpha
- Exponent Exponent CMS 0.96.6-Ga20071003
Reported:
Apr 17, 2008
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.