SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-68461

RoundCube Webmail Cross-site Scripting Vulnerability

KEVMEDIUM 6.1EPSS 26.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 13 March 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
26.84% probability · 98th percentile
CISA KEV
Listed 20 February 2026 · due 13 March 2026
Weakness
CWE-79
Affected
roundcube/webmail
Source
cve@mitre.org

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://roundcube.net/news/2025/12/13/security-updates-1.6.12-and-1.5.12 ; https://github.com/roundcube/roundcubemail/commit/bfa032631c36b900e7444dfa278340b33cbf7cdb ; https://nvd.nist.gov/vuln/detail/CVE-2025-68461

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.