Is "Regex Tester" on Firefox Add-ons Safe to Install?

regex-tester · firefox · v1.0

A fast and intuitive regular expression (Regex) testing tool. Easily test, edit, and experiment with Regex in your browser. Save time and improve productivity.

Risk Assessment

Analyzed
19.62
out of 100
MINIMAL

9 security findings detected across all analyzers

Severity Breakdown

0
Critical
0
High
9
Medium
0
Low
0
Info

Finding Categories

9
IoC Indicators

About This Extension

A fast and intuitive regular expression (Regex) testing tool. Easily test, edit, and experiment with Regex in your browser. Save time and improve productivity.

No Findings

All security checks passed

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
2
Domains
7
Strings
9

All Indicators · 9

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Hash
detected MD5 Hash: 30b4e8a7fa5b024fb3cbc62b79982775

XIOC detected MD5 Hash: 30b4e8a7fa5b024fb3cbc62b79982775

extracted_from_files

Domain
detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

Domain
detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain
detected Domain: t0aa35ab52737d98fcd76591cd1209f4c.30b4e8a7fa5b024fb3cbc62b79982775.addons.mozilla.org

XIOC detected Domain: t0aa35ab52737d98fcd76591cd1209f4c.30b4e8a7fa5b024fb3cbc62b79982775.addons.mozilla.org

extracted_from_files

Domain
detected Domain: ns.adobe.com

XIOC detected Domain: ns.adobe.com

extracted_from_files

URL
detected Domain: purl.org

XIOC detected Domain: purl.org

extracted_from_files

Domain
detected Domain: matches.map

XIOC detected Domain: matches.map

extracted_from_files

URL
detected URL: http://addons.mozilla.org/ca/crl.pem0N

XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Regex Tester is a Firefox Add-ons extension published by regex-tester. Version 1.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 19.62/100 (MINIMAL risk) based on 9 security findings.

Risk Assessment

This extension presents minimal security concerns. The automated analysis found very few or no issues, suggesting it is suitable for general use.

Findings Breakdown

  • Medium: 9 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

Regex Tester is published by regex-tester on the Firefox Add-ons marketplace. The extension has approximately 3 users.

Recommendation

Based on the automated security analysis, this extension appears safe for general use. As with any extension, users should review the requested permissions before installation.

Frequently Asked Questions