Name: CVE-2021-26925: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2021-02-09T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-26925, CWE-79, CVSS 5.4, EPSS 0.00259

Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

CVSS Details

CVSS 3.1 Base Score: 5.4
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Feb 9, 2021
Debian	—	Upgrade roundcube	Jul 30, 2024	Feb 9, 2021
Ubuntu	—	Upgrade roundcube	Nov 19, 2024	Feb 9, 2021

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CVSS Details

Covered by Rapid7

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