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Exploits
ID:5300 - Exploit for Cross-site scripting in Groupware Webmail Edition and Horde_Text_Filter - CVE-2021-26929
ID:5300 - Exploit for Cross-site scripting in Groupware Webmail Edition and Horde_Text_Filter - CVE-2021-26929
Published: April 16, 2021
Vulnerability identifier: #VU50773
Vulnerability risk: Low
CVE-ID: CVE-2021-26929
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
Groupware Webmail Edition
Horde_Text_Filter
Groupware Webmail Edition
Horde_Text_Filter
Link to public exploit:
Vulnerability 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 the "preProcess" in Text2html.php. A remote attacker can trick the victim to follow a specially crafted link 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 updates from vendor's website.