Vulnerability Description
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d264366
- https://github.com/roundcube/roundcubemail/commit/c960d102472dc579e15907d5bcdc31
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
FAQ
What is CVE-2026-48848?
CVE-2026-48848 is a vulnerability with a CVSS score of 7.2 (HIGH). Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element ...
How severe is CVE-2026-48848?
CVE-2026-48848 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48848?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.