What’s Vulnerable › Vulnerabilities

CVE-2021-46144

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-06 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Debian Linux: 9.0, 10.0, 11.0
• Roundcube: before 1.4.13; from 1.5.0 before 1.5.2 — fixed in 1.4.13, 1.5.2

How to fix

Upgrade to a fixed version: Roundcube 1.4.13, 1.5.2. Check the vendor advisory for mitigations.

References

• https://bugs.debian.org/1003027
• https://github.com/roundcube/roundcubemail/commit/8894fddd59b770399eed4ef8d4da5773913b5bf0
• https://github.com/roundcube/roundcubemail/commit/b2400a4b592e3094b6c84e6000d512f99ae0eed8
• https://lists.debian.org/debian-lts-announce/2022/01/msg00005.html
• https://roundcube.net/news/2021/12/30/security-update-1.4.13-released
• https://roundcube.net/news/2021/12/30/update-1.5.2-released
• https://www.debian.org/security/2022/dsa-5037
• https://bugs.debian.org/1003027
• https://github.com/roundcube/roundcubemail/commit/8894fddd59b770399eed4ef8d4da5773913b5bf0
• https://github.com/roundcube/roundcubemail/commit/b2400a4b592e3094b6c84e6000d512f99ae0eed8
• https://lists.debian.org/debian-lts-announce/2022/01/msg00005.html
• https://roundcube.net/news/2021/12/30/security-update-1.4.13-released

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