CVE-2025-68461 — RoundCube Webmail Cross-site Scripting Vulnerability

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
Roundcube	Webmail	0, 1.6.0

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2026-02-20. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-12-18T05:00:54.423Z
• Last modified: 2026-02-26T16:07:30.163Z
• Added to CISA KEV: 2026-02-20
• BOD 22-01 due: 2026-03-13

09References

• roundcube.net — https://roundcube.net/news/2025/12/13/security-updates-1.6.12-and-1.5.12
• github.com — https://github.com/roundcube/roundcubemail/commit/bfa032631c36b900e7444dfa278340…