#VU6852 Cross-site scripting in Tiki Wiki CMS Groupware - CVE-2017-9305

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Main Vulnerability Database Vulnerabilities #VU6852

#VU6852 Cross-site scripting in Tiki Wiki CMS Groupware - CVE-2017-9305

Published: May 31, 2017 / Updated: June 1, 2017


Vulnerability identifier: #VU6852
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-9305
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Tiki Wiki CMS Groupware
Software vendor:
Tiki Software Community Association

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in tiki-batch_send_newsletter.php (vulnerable code resides within lib/core/TikiFilter/PreventXss.php). A remote attacker can trick the victim to follow a specially crafted link, bypass implemented XSS protection and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's repository.

External links