XML Injection Affecting fast-xml-builder package, versions >=1.1.5 <1.1.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-FASTXMLBUILDER-16540557
- published8 May 2026
- disclosed8 May 2026
- creditUnknown
Introduced: 8 May 2026
CVE-2026-44664 (opens in a new tab)How to fix?
Upgrade fast-xml-builder to version 1.1.6 or higher.
Overview
Affected versions of this package are vulnerable to XML Injection due to the incomplete sanitization of XML comments. An attacker can inject arbitrary XML or HTML content by including three consecutive dashes in the comment value.
Note:
This issue was introduced by the fix for CVE-2026-41650.