Vulnerability record · CVE-2024-42010 · published 5 August 2024

CVE-2024-42010: Information exposure vulnerability

mod_css_styles in Roundcube through 1.5.7 and 1.6.x through 1.6.7 insufficiently filters Cascading Style Sheets (CSS) token sequences in rendered e-mail messages, allowing a remote attacker to obtain sensitive information.

7.5 CVSS 3.1 High EPSS 67% · top 0.7% CWE-200 · Information exposure Deferred

7.5CVSS 3.1 base score

67%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

Description

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

References

Link	Tags
https://github.com/roundcube/roundcubemail/releases
https://github.com/roundcube/roundcubemail/releases/tag/1.5.8
https://github.com/roundcube/roundcubemail/releases/tag/1.6.8
https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8
https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/

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Source: NIST National Vulnerability Database (record CVE-2024-42010), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.