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.
Conclusion & alert: CVE-2025-68461 is rated Critical Active Threat (87.2/100): CVSS High severity, with high exploitation likelihood (EPSS 6.86%, 91th percentile). Core evidence: CISA KEV confirms active exploitation (added 2026-02-20) affecting Roundcube / Webmail. cross-site scripting (CWE-79) Unauthenticated remote administrative access may be possible. EPSS rose +1.41% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: RoundCube Webmail Cross-site Scripting Vulnerability · CISA KEV detail
: 2026-02-20
: 2026-03-13
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-28 | 5.45% | 6.86% | +1.41% |
| 2 | 2026-05-20 | 4.81% | 5.45% | +0.64% |
| 3 | 2026-05-16 | — | 4.81% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
3.9 | 2.7 | [email protected] |
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-68461 not yet assigned priority: Debian including 1 source packages (roundcube), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2025-68461 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-68461 |
ubuntu
|
high | CVE-2025-68461 high priority: Ubuntu including 1 source packages (roundcube), 8 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): released 5, ignored 1, needed 1, not-affected 1. | https://ubuntu.com/security/CVE-2025-68461 |