Cross-site scripting in Roundcube Webmail - CVE-2020-13965
Published: June 11, 2020 / Updated: June 26, 2024
Vulnerability identifier: #VU28979
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-13965
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The 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 data passed via a malicious XML attachment because text/xml is among the allowed types for a preview. A remote attacker can open a specially crafted email and arbitrary JavaScript code will be executed 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
Fedora
roundcube (Debian package)
roundcubemail
Fedora
How to mitigate CVE-2020-13965
Install update from vendor's website.
Roundcube Webmail - addressed in versions 1.3.12, 1.4.5
roundcube (Debian package) - addressed in versions 1.2.3+dfsg.1-4+deb9u5, 1.3.13+dfsg.1-1~deb10u1
roundcubemail - addressed in versions 1.4.6-1.fc31, 1.4.6-1.fc32
roundcube (Debian package) - addressed in versions 1.2.3+dfsg.1-4+deb9u5, 1.3.13+dfsg.1-1~deb10u1
roundcubemail - addressed in versions 1.4.6-1.fc31, 1.4.6-1.fc32
External References
- https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3
- https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.12
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.5
- https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12