CVE-2024-42008 is a critical Cross-Site Scripting (XSS) vulnerability affecting Roundcube webmail versions through 1.5.7 and 1.6.x through 1.6.7. This flaw allows a remote attacker to steal and send a victim's emails by crafting a malicious email attachment with a dangerous Content-Type header. With a CVSS score of 9.3 (CRITICAL) and a FAUCET Risk Score of 98/100, the vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction, and leading to high confidentiality and integrity impacts. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, with technical details regarding desanitization, unsafe Content-Types, and CSS exfiltration being shared.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.8CPE matchmatch criteria | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* | ||
>= 1.6.0, < 1.6.8CPE matchmatch criteria | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.