Is Pull The Lever! Tab Saver safe to use?

Pull The Lever! Tab Saver has a security risk score of 51.03/100 (MEDIUM risk). Our security analysis detected 70 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of Pull The Lever! Tab Saver?

Based on our automated security analysis, Pull The Lever! Tab Saver presents medium risk level. The extension is analyzed for malware patterns, secret exposure, network communications, permissions, and supply chain vulnerabilities.

How is the security score calculated?

Risky Plugins calculates security scores using weighted categories: severity of findings (25 points max), malware detections (35 points), secret exposure (28 points), network communications (10 points), and obfuscation (10 points). Scores range from 0-100, with higher scores indicating greater risk.

What does CRITICAL, HIGH, MEDIUM, LOW, MINIMAL risk mean?

CRITICAL (80-100): Severe security issues like malware. HIGH (60-79): Significant vulnerabilities. MEDIUM (40-59): Moderate security concerns. LOW (20-39): Minor issues. MINIMAL (0-19): Very low risk. Always review findings before installing any extension.

Is "Pull The Lever! Tab Saver" on Firefox Add-ons Safe to Install?

Name: Pull The Lever! Tab Saver
Availability: InStock
Rating: 3 (2 reviews)
Author: TheDavidDelta

TheDavidDelta · firefox · v1.1

This addon saves and closes the open tabs of the current window to the addon's synced storage. When the lever is pushed up, the tabs are restored in the present window in the order they were saved.

Risk Assessment

Analyzed

51.03

out of 100

MEDIUM

70 security findings detected across all analyzers

Firefox extension requesting 2 permissions

Severity Breakdown

Critical

High

Medium

Low

Info

Finding Categories

Malware Signatures

IoC Indicators

YARA Rules Matched

4 rules(5 hits)

postinstall system command postinstall network communication postinstall file manipulation postinstall persistence mechanism

Requested Permissions

2 permissions

tabs

Medium

storage

Low

About This Extension

This addon saves and closes the open tabs of the current window to the addon's synced storage. When the lever is pushed up, the tabs are restored in the present window in the order they were saved.

Detailed Findings

6 total

YARA Rule Matches

4 rules

Indicators of Compromise

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

URLs

Domains

Strings

All Indicators · 61

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Domain

detected Domain: fsf.org

XIOC detected Domain: fsf.org

extracted_from_files

URL

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

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

extracted_from_files

URL

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

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

extracted_from_files

Hash

detected MD5 Hash: d74fe41ed80e3adea61a5164db993c50

XIOC detected MD5 Hash: d74fe41ed80e3adea61a5164db993c50

extracted_from_files

URL

detected URL: https://docs.microsoft.com/en-us/microsoft-edge/extensions/guides/porting-chrome-extensions)'s

XIOC detected URL: https://docs.microsoft.com/en-us/microsoft-edge/extensions/guides/porting-chrome-extensions)'s

extracted_from_files

URL

detected URL: https://github.com/rpl/example-msedge-extension-with-webextension-polyfill

XIOC detected URL: https://github.com/rpl/example-msedge-extension-with-webextension-polyfill

extracted_from_files

URL

detected URL: https://github.com/mozilla/webextension-polyfill/pull/114

XIOC detected URL: https://github.com/mozilla/webextension-polyfill/pull/114

extracted_from_files

URL

detected URL: https://github.com/mozilla/webextension-polyfill/issues/102#issuecomment-379365343

XIOC detected URL: https://github.com/mozilla/webextension-polyfill/issues/102#issuecomment-379365343

extracted_from_files

URL

detected URL: https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)

XIOC detected URL: https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)

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://unpkg.com/webextension-polyfill/dist/

XIOC detected URL: https://unpkg.com/webextension-polyfill/dist/

extracted_from_files

URL

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

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

extracted_from_files

URL

detected URL: https://www.npmjs.com/package/copy-webpack-plugin):

XIOC detected URL: https://www.npmjs.com/package/copy-webpack-plugin):

extracted_from_files

URL

detected URL: https://github.com/Lusito/webextension-polyfill-ts)

XIOC detected URL: https://github.com/Lusito/webextension-polyfill-ts)

extracted_from_files

Domain

detected Domain: www.inkscape.org

XIOC detected Domain: www.inkscape.org

extracted_from_files

URL

detected URL: https://www.npmjs.com/package/@types/chrome)

XIOC detected URL: https://www.npmjs.com/package/@types/chrome)

extracted_from_files

URL

detected URL: https://bugzilla.mozilla.org/enter_bug.cgi?product=WebExtensions&component=Untriaged

XIOC detected URL: https://bugzilla.mozilla.org/enter_bug.cgi?product=WebExtensions&component=Untriaged

extracted_from_files

URL

detected URL: https://www.gnu.org/licenses/why-not-lgpl.html

XIOC detected URL: https://www.gnu.org/licenses/why-not-lgpl.html

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://travis-ci.org/mozilla/webextension-polyfill.svg?branch=master)](https://travis-ci.org/mozilla/webextension-polyfill)

XIOC detected URL: https://travis-ci.org/mozilla/webextension-polyfill.svg?branch=master)](https://travis-ci.org/mozilla/webextension-polyfill)

extracted_from_files

URL

detected URL: https://badge.fury.io/js/webextension-polyfill.svg)](https://www.npmjs.com/package/webextension-polyfill)

XIOC detected URL: https://badge.fury.io/js/webextension-polyfill.svg)](https://www.npmjs.com/package/webextension-polyfill)

extracted_from_files

URL

detected URL: https://www.w3.org/community/browserext/

XIOC detected URL: https://www.w3.org/community/browserext/

extracted_from_files

URL

detected URL: https://www.npmjs.com/package/webextension-polyfill).

XIOC detected URL: https://www.npmjs.com/package/webextension-polyfill).

extracted_from_files

URL

detected Domain: urls.map

XIOC detected Domain: urls.map

extracted_from_files

Domain

detected Domain: images.save

XIOC detected Domain: images.save

extracted_from_files

Domain

detected Domain: background.js.map

XIOC detected Domain: background.js.map

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

URL

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

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

extracted_from_files

URL

detected URL: https://fsf.org/

XIOC detected URL: https://fsf.org/

extracted_from_files

URL

detected URL: https://www.gnu.org/licenses/

XIOC detected URL: https://www.gnu.org/licenses/

extracted_from_files

Domain

detected Domain: developer.mozilla.org

XIOC detected Domain: developer.mozilla.org

extracted_from_files

Domain

detected Domain: wrapper.call

XIOC detected Domain: wrapper.call

extracted_from_files

Domain

detected Domain: chrome.runtime.id

XIOC detected Domain: chrome.runtime.id

extracted_from_files

Domain

detected Domain: c.call

XIOC detected Domain: c.call

extracted_from_files

Domain

detected Domain: browser-polyfill.min.js.map

XIOC detected Domain: browser-polyfill.min.js.map

extracted_from_files

Domain

detected Domain: generator.next

XIOC detected Domain: generator.next

extracted_from_files

Domain

detected Domain: tablist.map

XIOC detected Domain: tablist.map

extracted_from_files

Domain

detected Domain: www.npmjs.com

XIOC detected Domain: www.npmjs.com

extracted_from_files

Domain

detected Domain: unpkg.com

XIOC detected Domain: unpkg.com

extracted_from_files

Domain

detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain

detected Domain: bugzilla.mozilla.org

XIOC detected Domain: bugzilla.mozilla.org

extracted_from_files

Domain

detected Domain: docs.microsoft.com

XIOC detected Domain: docs.microsoft.com

extracted_from_files

Domain

detected Domain: tab.id

XIOC detected Domain: tab.id

extracted_from_files

Domain

detected Domain: contributing.md

XIOC detected Domain: contributing.md

extracted_from_files

Domain

detected Domain: thedaviddelta.com

XIOC detected Domain: thedaviddelta.com

extracted_from_files

Domain

detected Domain: t5e0078171dd66592ad11b9f9eef69f88.d74fe41ed80e3adea61a5164db993c50.addons.mozilla.org

XIOC detected Domain: t5e0078171dd66592ad11b9f9eef69f88.d74fe41ed80e3adea61a5164db993c50.addons.mozilla.org

extracted_from_files

URL

detected URL: https://github.com/kelseasy/web-ext-types)

XIOC detected URL: https://github.com/kelseasy/web-ext-types)

extracted_from_files

Domain

detected Domain: mozilla.org

XIOC detected Domain: mozilla.org

extracted_from_files

Domain

detected Domain: travis-ci.org

XIOC detected Domain: travis-ci.org

extracted_from_files

Domain

detected Domain: badge.fury.io

XIOC detected Domain: badge.fury.io

extracted_from_files

Domain

detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain

detected Domain: www.gnu.org

XIOC detected Domain: www.gnu.org

extracted_from_files

Domain

detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

Domain

detected Domain: browser-polyfill.js.map

XIOC detected Domain: browser-polyfill.js.map

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

Domain

detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

URL

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

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

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Pull The Lever! Tab Saver is a Firefox Add-ons extension published by TheDavidDelta. Version 1.1 has been analyzed by the Risky Plugins security platform, receiving a risk score of 51.03/100 (MEDIUM risk) based on 70 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

High: 5 finding(s)
Medium: 65 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

Pull The Lever! Tab Saver is published by TheDavidDelta on the Firefox Add-ons marketplace. The extension has approximately 21 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.

Source Code Viewer

Source Code Not Available

Source code is not available for this version of the extension.

Frequently Asked Questions

Similar Extensions

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Pull The Lever! Tab Saver

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Pull The Lever!

Unknown Developer

HIGH

myJDoc

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HIGH

mySkip

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HIGH

Risk Assessment

Severity Breakdown

Finding Categories

YARA Rules Matched

Requested Permissions

About This Extension

Detailed Findings

MANIFEST-SENSITIVE-PERM-TABS

YARA Rule Matches

postinstall system command

postinstall network communication

postinstall file manipulation

postinstall persistence mechanism

Indicators of Compromise

All Indicators · 61

Security Analysis Summary

Security Analysis Overview

Risk Assessment

Findings Breakdown

What Was Analyzed

Developer Information

Recommendation

Frequently Asked Questions

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