CVE-2026-48848
Deferred Deferred - Pending Action
CSS Injection via SVG Animate Element in Roundcube Webmail

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: MITRE

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.
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Meta Information
Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-48848
EUVD
EUVD-2026-31727
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
roundcube roundcube to 1.6.16 (exc)
roundcube roundcube to 1.7 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability exists in Roundcube Webmail versions 1.6.x before 1.6.16 and 1.7.x before 1.7. It is caused by insufficient HTML sanitization, which allows an attacker to inject Cascading Style Sheets (CSS) through an SVG document containing an animate element with the attributeName attribute.

Impact Analysis

The vulnerability can lead to CSS injection, which may allow an attacker to manipulate the appearance or behavior of the webmail interface. According to the CVSS score of 7.2, it has a high severity with potential impacts on confidentiality and integrity, but not availability.

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