Is CVE-2026-48848 actively exploited?

No active exploitation of CVE-2026-48848 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-48848 be exploited remotely?

Yes. CVE-2026-48848 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-48848?

CVE-2026-48848 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2026-48848

HIGH

CVE-2026-48848

CWE-79Published: May 25, 2026· Updated: May 26, 2026

7.2

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-48848 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.