CVE-2026-48848
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Webmail
PublishedMay 25, 2026
First seenMay 25, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Roundcube Webmail1.6.16, 1.7.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Roundcube Webmail | 1.6.0 ≤ v < 1.6.16, 1.7.0 ≤ v < 1.7.1 | 1.6.16, 1.7.1 |
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