Is "JWT Tracker Extension" on Firefox Add-ons Safe to Install?

Dimitry Remenyuk · firefox · v1.3

Chrome and Firefox extension to track and show JWT and SAML data intercepted from web requests. This extensions tracks any request with `Authorization: Bearer` header, `SAMLRequest` and `SAMLResponse` form body and stores them temporarly in your browser's local storage. It will exclusively monitor web requests originating from websites that you have specifically permitted through the options. You can grant permission by employing a matching pattern or by granting access to all websites using the special `<all_urls>` string. Also, in options you can specify how many requests from different `initiator`s can be stored (default is `10`) per each tab in browser. In the popup, you have the option to either filter tokens based on their element paths or search for specific values.

Risk Assessment

Analyzed
39.98
out of 100
LOW

86 security findings detected across all analyzers

Firefox extension requesting 4 permissions

Severity Breakdown

0
Critical
17
High
69
Medium
0
Low
0
Info

Finding Categories

17
Malware Signatures
69
IoC Indicators

YARA Rules Matched

6 rules(17 hits)
postinstall network communication NoUseWeakRandom postinstall obfuscation postinstall file manipulation postinstall file download postinstall system command

Requested Permissions

4 permissions
<all_urls>

Access and modify data on every website you visit

Dangerous
webRequest

Intercept, modify, and block all network requests

High
activeTab
Medium
storage
Low

About This Extension

Chrome and Firefox extension to track and show JWT and SAML data intercepted from web requests. This extensions tracks any request with `Authorization: Bearer` header, `SAMLRequest` and `SAMLResponse` form body and stores them temporarly in your browser's local storage. It will exclusively monitor web requests originating from websites that you have specifically permitted through the options. You can grant permission by employing a matching pattern or by granting access to all websites using the special `&lt;all_urls&gt;` string. Also, in options you can specify how many requests from different `initiator`s can be stored (default is `10`) per each tab in browser. In the popup, you have the option to either filter tokens based on their element paths or search for specific values.

Detailed Findings

17 total

YARA Rule Matches

6 rules

Indicators of Compromise

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

URLs
11
IP Addresses
4
Domains
53
Strings
69

All Indicators · 69

Domain
detected Domain: this.name

XIOC detected Domain: this.name

extracted_from_files

IP
detected IP: ::

XIOC detected IP: ::

extracted_from_files

URL
detected URL: http://ns.adobe.com/exif/1.0/

XIOC detected URL: http://ns.adobe.com/exif/1.0/

extracted_from_files

Hash
detected MD5 Hash: 11c96ddde922b56986ba2f5e30f65b2e

XIOC detected MD5 Hash: 11c96ddde922b56986ba2f5e30f65b2e

extracted_from_files

Other
detected Email: [email protected]

XIOC detected Email: [email protected]

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

URL
detected URL: http://mozilla.org/MPL/2.0/.

XIOC detected URL: http://mozilla.org/MPL/2.0/.

extracted_from_files

URL
detected URL: https://github.com/mozilla/webextension-polyfill/issues/130

XIOC detected URL: https://github.com/mozilla/webextension-polyfill/issues/130

extracted_from_files

URL
detected URL: https://github.com/dre2901/jwt-tracker

XIOC detected URL: https://github.com/dre2901/jwt-tracker

extracted_from_files

URL
detected URL: http://example.com/*

XIOC detected URL: http://example.com/*

extracted_from_files

URL
detected URL: http://example.com/*';

XIOC detected URL: http://example.com/*';

extracted_from_files

Domain
detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain
detected Domain: ns.adobe.com

XIOC detected Domain: ns.adobe.com

extracted_from_files

Domain
detected Domain: h.ir

XIOC detected Domain: h.ir

extracted_from_files

Domain
detected Domain: 3.zm

XIOC detected Domain: 3.zm

extracted_from_files

Domain
detected Domain: nq.mu

XIOC detected Domain: nq.mu

extracted_from_files

Domain
detected Domain: r.bb

XIOC detected Domain: r.bb

extracted_from_files

Domain
detected Domain: i.iq

XIOC detected Domain: i.iq

extracted_from_files

Domain
detected Domain: this.properties

XIOC detected Domain: this.properties

extracted_from_files

Domain
detected Domain: jwtheaderviewer.data

XIOC detected Domain: jwtheaderviewer.data

extracted_from_files

Domain
detected Domain: currentsearch.next

XIOC detected Domain: currentsearch.next

extracted_from_files

Domain
detected Domain: jwtpayloadviewer.search

XIOC detected Domain: jwtpayloadviewer.search

extracted_from_files

Domain
detected Domain: samlpayloadviewer.data

XIOC detected Domain: samlpayloadviewer.data

extracted_from_files

Domain
detected Domain: currentsamlsearch.next

XIOC detected Domain: currentsamlsearch.next

extracted_from_files

Domain
detected Domain: samlpayloadviewer.search

XIOC detected Domain: samlpayloadviewer.search

extracted_from_files

Domain
detected Domain: this.st

XIOC detected Domain: this.st

extracted_from_files

Domain
detected Domain: this.data

XIOC detected Domain: this.data

extracted_from_files

Domain
detected Domain: e.data

XIOC detected Domain: e.data

extracted_from_files

Domain
detected Domain: json-viewer.bundle.js.map

XIOC detected Domain: json-viewer.bundle.js.map

extracted_from_files

URL
detected Domain: url.host

XIOC detected Domain: url.host

extracted_from_files

Domain
detected Domain: currentpermissions.origins

XIOC detected Domain: currentpermissions.origins

extracted_from_files

Domain
detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain
detected Domain: aa.nextsibling.data

XIOC detected Domain: aa.nextsibling.data

extracted_from_files

URL
detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#

XIOC detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#

extracted_from_files

Domain
detected Domain: ah.call

XIOC detected Domain: ah.call

extracted_from_files

Domain
detected Domain: i.host

XIOC detected Domain: i.host

extracted_from_files

Domain
detected Domain: x.call

XIOC detected Domain: x.call

extracted_from_files

Domain
detected Domain: i.initializer.call

XIOC detected Domain: i.initializer.call

extracted_from_files

Domain
detected Domain: t.name

XIOC detected Domain: t.name

extracted_from_files

Domain
detected Domain: e.call

XIOC detected Domain: e.call

extracted_from_files

Domain
detected Domain: i.map

XIOC detected Domain: i.map

extracted_from_files

Domain
detected Domain: i.call

XIOC detected Domain: i.call

extracted_from_files

Domain
detected Domain: this.parts

XIOC detected Domain: this.parts

extracted_from_files

Domain
detected Domain: s.data

XIOC detected Domain: s.data

extracted_from_files

Domain
detected Domain: o.call

XIOC detected Domain: o.call

extracted_from_files

Domain
detected Domain: h.name

XIOC detected Domain: h.name

extracted_from_files

Domain
detected Domain: www.inkscape.org

XIOC detected Domain: www.inkscape.org

extracted_from_files

Domain
detected Domain: example.com

XIOC detected Domain: example.com

extracted_from_files

Domain
detected Domain: gmail.com

XIOC detected Domain: gmail.com

extracted_from_files

Domain
detected Domain: developer.mozilla.org

XIOC detected Domain: developer.mozilla.org

extracted_from_files

Domain
detected Domain: kushagra.dev

XIOC detected Domain: kushagra.dev

extracted_from_files

Domain
detected Domain: s.next

XIOC detected Domain: s.next

extracted_from_files

Domain
detected Domain: jwtpayloadviewer.data

XIOC detected Domain: jwtpayloadviewer.data

extracted_from_files

Domain
detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain
detected Domain: t51273dc668419aafe6f890367c5dd288.11c96ddde922b56986ba2f5e30f65b2e.addons.mozilla.org

XIOC detected Domain: t51273dc668419aafe6f890367c5dd288.11c96ddde922b56986ba2f5e30f65b2e.addons.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.org

XIOC detected Domain: mozilla.org

extracted_from_files

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain
detected Domain: globalthis.chrome

XIOC detected Domain: globalthis.chrome

extracted_from_files

Domain
detected Domain: wrapper.call

XIOC detected Domain: wrapper.call

extracted_from_files

Domain
detected Domain: browser-polyfill.js.map

XIOC detected Domain: browser-polyfill.js.map

extracted_from_files

IP
detected IP: 8::c

XIOC detected IP: 8::c

extracted_from_files

IP
detected IP: ::c

XIOC detected IP: ::c

extracted_from_files

IP
detected IP: ::2

XIOC detected IP: ::2

extracted_from_files

Domain
detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

Domain
detected Domain: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

URL
detected URL: https://kushagra.dev/lab/hint/

XIOC detected URL: https://kushagra.dev/lab/hint/

extracted_from_files

URL
detected URL: http://ns.adobe.com/tiff/1.0/

XIOC detected URL: http://ns.adobe.com/tiff/1.0/

extracted_from_files

Security Analysis Summary

Security Analysis Overview

JWT Tracker Extension is a Firefox Add-ons extension published by Dimitry Remenyuk. Version 1.3 has been analyzed by the Risky Plugins security platform, receiving a risk score of 39.98/100 (LOW risk) based on 86 security findings.

Risk Assessment

This extension presents low security risk. Some minor findings were detected, but nothing that would prevent typical usage. Reviewing the detailed findings below is recommended before use in sensitive environments.

Findings Breakdown

  • High: 17 finding(s)
  • Medium: 69 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

JWT Tracker Extension is published by Dimitry Remenyuk on the Firefox Add-ons marketplace. The extension has approximately 27 users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

Frequently Asked Questions