CVE-2024-42010
CVE-2024-42010 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 53% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 53% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-39392
- Weakness: CWE-200
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2024-42010?
- 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.
- How severe is CVE-2024-42010?
- CVE-2024-42010 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2024-42010 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 53% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-42010?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-42010 have an EU (EUVD) identifier?
- Yes. CVE-2024-42010 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39392.
- When was CVE-2024-42010 published?
- CVE-2024-42010 was published on 2024-08-05 and last updated on 2026-06-17.
References
- 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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