Cross-site scripting in Roundcube Webmail - CVE-2020-16145
Published: August 12, 2020
Vulnerability identifier: #VU45648
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2020-16145
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 within HTML messages with malicious svg content or math content. 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.
Affected software
Roundcube Webmail
roundcube (Debian package)
roundcubemail
SUSE Linux
Opensuse
Fedora
roundcube (Debian package)
roundcubemail
SUSE Linux
Opensuse
Fedora
How to mitigate CVE-2020-16145
Install updates from vendor's website.
Roundcube Webmail - addressed in versions 1.2.12, 1.3.15, 1.4.8
roundcube (Debian package) - update to 1.3.15+dfsg.1-1~deb10u1
roundcubemail - addressed in versions 1.4.8-1.fc31, 1.4.8-1.fc32
roundcube (Debian package) - update to 1.3.15+dfsg.1-1~deb10u1
roundcubemail - addressed in versions 1.4.8-1.fc31, 1.4.8-1.fc32