Permissive Regular Expression Affecting @mathharo/promptcraft-sanitize package, versions >=0.1.0
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-MATHHAROPROMPTCRAFTSANITIZE-12515408
- published5 Sept 2025
- disclosed4 Sept 2025
- creditAugusto César Perin
Introduced: 4 Sep 2025
NewCVE-2025-58353 (opens in a new tab)How to fix?
There is no fixed version for @mathharo/promptcraft-sanitize.
Overview
@mathharo/promptcraft-sanitize is a Sanitizer fix for overlapping multi-token patterns.
Affected versions of this package are vulnerable to Permissive Regular Expression due to insufficient replacement of multi-character tokens. An attacker can execute arbitrary scripts in the context of the application by crafting input that exploits overlapping patterns in the input sanitization logic.