RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability

Added to KEV
2024-10-24
Federal due date
2024-11-14
Vendor
Roundcube
Product
Webmail
EPSS
98.5th percentile (score 0.640, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2024-37383

CISA short description

RoundCube Webmail contains a cross-site scripting (XSS) vulnerability in the handling of SVG animate attributes that allows a remote attacker to run malicious JavaScript code.

Required action

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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.