CVE-2024-42009

high-risk
Published 2024-08-05

A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desanitization issue in message_body() in program/actions/mail/show.php.

Do I need to act?

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91.4% chance of exploitation in next 30 days
EPSS score — higher than 9% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.3/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Roundcube

References (6)

Release Notes https://github.com/roundcube/roundcubemail/releases
Release Notes https://github.com/roundcube/roundcubemail/releases/tag/1.5.8
Release Notes https://github.com/roundcube/roundcubemail/releases/tag/1.6.8
Vendor Advisory https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8
Technical Description https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scrip...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-...
63
/ 100
high-risk
Severity 31/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal