# CVE-2024-37383: RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability

Source: https://junglewise.ai/threats/cve-2024-37383-roundcube-webmail-cross-site-scripting-xss-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-24. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2024-37383 · Severity: critical · CVSS 6.1 · Exploited in the wild · Published 2024-10-24

Roundcube Webmail is vulnerable to Cross-Site Scripting (XSS) due to improper neutralization of SVG animate attributes. A remote attacker can exploit this by sending a malicious email that executes arbitrary JavaScript in the context of the user's browser session.

Technologies: [Roundcube Webmail](https://junglewise.ai/threats/technologies/webmail). Vendors: [Roundcube](https://junglewise.ai/threats/vendors/roundcube).

## Quick answers

**Is CVE-2024-37383 exploited in the wild?** Yes. CVE-2024-37383 is known to be exploited in the wild, first recorded on 24 October 2024. Treat it as urgent.

**How severe is CVE-2024-37383?** Critical severity, with a CVSS score of 6.1, published 24 October 2024.

**Which products and versions are affected?** Roundcube Webmail before 1.5.7, 1.6.x before 1.6.7; Debian Debian Linux 10.0.

**Is there a fix for CVE-2024-37383?** A patch was published on 2024-06-07: Roundcube releases 1.5.7 and 1.6.7 to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2024-37383 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2024-37383?** Check whether you run Roundcube Webmail. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Roundcube Webmail before 1.5.7, 1.6.x before 1.6.7
- Debian Debian Linux 10.0

## Timeline

- 2024-06-07: disclosed: Initial NVD publication date
- 2024-06-07: patched: Roundcube releases 1.5.7 and 1.6.7 to address the vulnerability
- 2024-10-24: kev added: CISA adds CVE-2024-37383 to the Known Exploited Vulnerabilities (KEV) catalog

## Related threats

- [Roundcube Webmail improper authentication in multi-host installations](https://junglewise.ai/threats/cve-2026-114732-roundcube-webmail-before-1-6-20-and-1-7-x-before-1-7-5-is)
- [Roundcube Webmail uncontrolled resource consumption in CSS proxy](https://junglewise.ai/threats/cve-2026-114731-roundcube-webmail-before-1-6-20-and-1-7-x-before-1-7-5-is)
- [Roundcube Webmail server-side request forgery filter bypass](https://junglewise.ai/threats/cve-2026-114730-roundcube-webmail-1-6-14-before-1-6-20-and-1-7-0-before-1-7-5-is)
- [Roundcube Webmail content blocking bypass via SVG SMIL](https://junglewise.ai/threats/cve-2026-114729-roundcube-webmail-before-1-6-20-and-1-7-x-before-1-7-5-is)
- [Roundcube Webmail remote content blocking bypass in CSS FuncIRI handling](https://junglewise.ai/threats/cve-2026-114728-roundcube-webmail-before-1-6-20-and-1-7-x-before-1-7-5-is)