Is "Text Fragment" on Firefox Add-ons Safe to Install?
Text fragment (#:~:text) allow linking directly to a specific portion of text in a web document, without requiring the author to annotate it with an ID, using particular syntax in the URL fragment. it could be used to generate more effective content-sharing links for users to pass to one another. Notes: * Firefox for Android currently does not support the context menu, you need to click on the extension icon instead. * In Firefox 131 or later, the browser's native "scroll to text fragment" implementation will be used by default. If you wish to use this extension's implementation, you can either uncheck "Disable this extension feature when natively supported" in this extension's preferences page, or disable "dom.text_fragments.enabled" in "about:config" and restart the browser. Specification: * https://wicg.github.io/scroll-to-text-fragment/ This extension is open source and you can file bug reports on the GitHub issue .
Risk Assessment
Analyzed64 security findings detected across all analyzers
Firefox extension requesting 6 permissions
Severity Breakdown
Finding Categories
YARA Rules Matched
4 rules(35 hits)Requested Permissions
6 permissionsAccess and modify data on every website you visit
About This Extension
Detailed Findings
36 totalYARA Rule Matches
4 rulesIndicators of Compromise
Network indicators, suspicious strings, and potential IoCs extracted during analysis
All Indicators · 28
detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1385548 XIOC detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1385548
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detected URL: http://www.w3.org/2000/svg XIOC detected URL: http://www.w3.org/2000/svg
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detected Domain: save.click XIOC detected Domain: save.click
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detected Domain: nodefilter.show XIOC detected Domain: nodefilter.show
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detected URL: http://addons.mozilla.org/ca/crl.pem0N XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N
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detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1891736 XIOC detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1891736
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detected Domain: t51fb44cdbfbdc2412daff3993e8993d1.4624ed981755ea7781b4f10a6e91da64.addons.mozilla.org XIOC detected Domain: t51fb44cdbfbdc2412daff3993e8993d1.4624ed981755ea7781b4f10a6e91da64.addons.mozilla.org
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detected Domain: browser.storage XIOC detected Domain: browser.storage
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detected Domain: settings.auto XIOC detected Domain: settings.auto
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detected Domain: tab.id XIOC detected Domain: tab.id
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detected Domain: frames.map XIOC detected Domain: frames.map
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detected Domain: www.w3.org XIOC detected Domain: www.w3.org
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detected Domain: rrect.top XIOC detected Domain: rrect.top
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detected Domain: signingca1.addons.mozilla.org XIOC detected Domain: signingca1.addons.mozilla.org
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detected Domain: mozilla.com XIOC detected Domain: mozilla.com
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detected Domain: addons.mozilla.org XIOC detected Domain: addons.mozilla.org
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detected Domain: content-signature.mozilla.org XIOC detected Domain: content-signature.mozilla.org
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detected Domain: example.com XIOC detected Domain: example.com
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detected Domain: console.info XIOC detected Domain: console.info
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detected Domain: bugzilla.mozilla.org XIOC detected Domain: bugzilla.mozilla.org
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detected MD5 Hash: 4624ed981755ea7781b4f10a6e91da64 XIOC detected MD5 Hash: 4624ed981755ea7781b4f10a6e91da64
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detected Domain: browser.management XIOC detected Domain: browser.management
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detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1914978 XIOC detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1914978
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detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1918589 XIOC detected URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1918589
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detected URL: https://wicg.github.io/scroll-to-text-fragment/#textdirectiveexplicitchar XIOC detected URL: https://wicg.github.io/scroll-to-text-fragment/#textdirectiveexplicitchar
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detected IP: :: XIOC detected IP: ::
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detected Domain: wicg.github.io XIOC detected Domain: wicg.github.io
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Security Analysis Summary
Security Analysis Overview
Text Fragment is a Firefox Add-ons extension published by sycxyc. Version 1.4 has been analyzed by the Risky Plugins security platform, receiving a risk score of 49.91/100 (MEDIUM risk) based on 64 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: 35 finding(s)
- Medium: 29 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
Text Fragment is published by sycxyc on the Firefox Add-ons marketplace. The extension has approximately 977 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 Not Available
Source code is not available for this version of the extension.
Frequently Asked Questions
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