NetSight
medium6.1Known exploited

CVE-2023-5631

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-10-26. Federal due date: 2023-11-16.

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

Impact

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.

Affected products

VendorProductAffected versions
RoundcubeWebmail
before 1.4.15
from 1.5.0 before 1.5.5
from 1.6.0 before 1.6.4
DebianDebian Linux
Versions 10.0, 11.0, 12.0
FedoraprojectFedora
Version 39

Weakness classification

References