#VU82545 Cross-site scripting in Roundcube - CVE-2023-43770
Published: October 28, 2023 / Updated: May 13, 2024
Vulnerability identifier: #VU82545
Vulnerability risk: High
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:A/U:Amber
CVE-ID: CVE-2023-43770
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Roundcube
Roundcube
Software vendor:
Roundcube
Roundcube
Description
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in program/lib/Roundcube/rcube_string_replacer.php due to insufficient sanitization of user-supplied data passed via text/plain e-mail messages with crafted links. A remote attacker can send a specially crafted email message 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 website.