CVE-2021-46144

Name: CVE-2021-46144
Creator: NVD / NIST
Published: 2022-01-06T05:15:09.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2021-46144 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Roundcube before 1.4.13 and 1.5.x before 1.5.2 allows XSS via an HTML e-mail message with crafted Cascading Style Sheets (CSS) token sequences.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

Roundcube before 1.4.13 and 1.5.x before 1.5.2 allows XSS via an HTML e-mail message with crafted Cascading Style Sheets (CSS) token sequences.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Roundcube	Roundcube	< 1.4.13
Roundcube	Roundcube	>= 1.5.0, < 1.5.2
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://bugs.debian.org/1003027Vendor Advisory
https://github.com/roundcube/roundcubemail/commit/8894fddd59b770399eed4ef8d4da5773913b5bf0Patch, Third Party Advisory
https://github.com/roundcube/roundcubemail/commit/b2400a4b592e3094b6c84e6000d512f99ae0eed8Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00005.htmlMailing List, Third Party Advisory
https://roundcube.net/news/2021/12/30/security-update-1.4.13-releasedVendor Advisory
https://roundcube.net/news/2021/12/30/update-1.5.2-releasedVendor Advisory
https://www.debian.org/security/2022/dsa-5037Third Party Advisory
https://bugs.debian.org/1003027Vendor Advisory
https://github.com/roundcube/roundcubemail/commit/8894fddd59b770399eed4ef8d4da5773913b5bf0Patch, Third Party Advisory
https://github.com/roundcube/roundcubemail/commit/b2400a4b592e3094b6c84e6000d512f99ae0eed8Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00005.htmlMailing List, Third Party Advisory
https://roundcube.net/news/2021/12/30/security-update-1.4.13-releasedVendor Advisory
https://roundcube.net/news/2021/12/30/update-1.5.2-releasedVendor Advisory
https://www.debian.org/security/2022/dsa-5037Third Party Advisory

Timeline

Published: Jan 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46144?

Roundcube before 1.4.13 and 1.5.x before 1.5.2 allows XSS via an HTML e-mail message with crafted Cascading Style Sheets (CSS) token sequences.

How severe is CVE-2021-46144?

CVE-2021-46144 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46144?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-46144?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST