CVE-2023-5631 is a critical stored Cross-Site Scripting (XSS) vulnerability affecting Roundcube versions before 1.4.15, 1.5.5, and 1.6.4, allowing attackers to inject arbitrary JavaScript via crafted SVG documents in HTML emails. With a CVSS score of 5.4 (Medium), it has a low attack complexity and requires user interaction, but can lead to credential theft and email compromise. This vulnerability is actively exploited in the wild, as confirmed by CISA and various media reports, and has garnered significant community discussion, despite the absence of public exploit code on platforms like Metasploit or ExploitDB. Its high EPSS and FAUCET Risk Score of 100/100 underscore the urgent need for patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.15CPE matchmatch criteria | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* | ||
>= 1.5.0, < 1.5.5CPE matchmatch criteria | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* | ||
>= 1.6.0, < 1.6.4CPE matchmatch criteria | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.