Exploited
CWE
79
EPSS
0.680%
Advisory Published
CVE Published
Updated

CVE-2023-5631: Stored XSS vulnerability in Roundcube

First published: Mon Oct 16 2023(Updated: )

Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior. This could allow a remote attacker to load arbitrary JavaScript code.

Credit: security@eset.com security@eset.com security@eset.com

Affected SoftwareAffected VersionHow to fix
Roundcube email server=1.4.14
Roundcube email server=1.5.x before 1.5.4
Roundcube email server=1.6.x before 1.6.3
Roundcube Webmail<1.4.15
Roundcube Webmail>=1.5.0<1.5.5
Roundcube Webmail>=1.6.0<1.6.4
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
Fedoraproject Fedora=39
debian/roundcube<=1.6.3+dfsg-1~deb12u1<=1.4.14+dfsg.1-1~deb11u1<=1.6.3+dfsg-2<=1.3.17+dfsg.1-1~deb10u3
1.6.4+dfsg-1
1.6.4+dfsg-1~deb12u1
1.4.15+dfsg.1-1~deb11u1
debian/roundcube
1.4.15+dfsg.1-1+deb11u4
1.6.5+dfsg-1+deb12u4
1.6.9+dfsg-1
Roundcube Webmail
<1.4.15
>=1.5.0<1.5.5
>=1.6.0<1.6.4
=10.0
=11.0
=12.0
=39

Remedy

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Reference Links

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Roundcube vulnerability?

    The vulnerability ID for this Roundcube vulnerability is CVE-2023-5631.

  • What is the severity of CVE-2023-5631?

    The severity of CVE-2023-5631 is high with a severity value of 6.1.

  • How does CVE-2023-5631 allow stored XSS?

    CVE-2023-5631 allows stored XSS through an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior.

  • Which versions of Roundcube are affected by CVE-2023-5631?

    Roundcube versions before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 are affected by CVE-2023-5631.

  • How can I fix CVE-2023-5631?

    To fix CVE-2023-5631, upgrade to Roundcube version 1.4.15, 1.5.5, or 1.6.4.

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