#VU82083 Cross-site scripting in Roundcube - CVE-2023-5631
Published: October 17, 2023 / Updated: October 25, 2023
Roundcube
Roundcube
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 when processing SVG files in program/lib/Roundcube/rcube_washtml.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.
Note, the vulnerability is being actively exploited in the wild.
Remediation
External links
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.4
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.5
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.15
- https://www.welivesecurity.com/en/eset-research/winter-vivern-exploits-zero-day-vulnerability-roundcube-webmail-servers/