Knwl.js Regular Expression Denial of Service vulnerability

Description

Knwl.js is a Javascript library that parses through text for dates, times, phone numbers, emails, places, and more. Versions 1.0.2 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 1.0.2

References

• GHSA-68qg-g787-3rp5
• CVE-2020-26306
• CWE-1333
• CAPEC-310
• OWASP 2021-A6

Related Issues

• vite allows server.fs.deny bypass via backslash on Windows - CVE-2025-62522
• Vite's `server.fs` settings were not applied to HTML files - CVE-2025-58752
• OpenPGP.js's message signature verification can be spoofed - CVE-2025-47934
• Trix editor subject to XSS vulnerabilities on copy & paste - CVE-2024-53847

Tags:

npm

knwl.js