Is "Try XPath" on Firefox Add-ons Safe to Install?

larissa9839 · firefox · v1.3.5

This add-on displays the result of evaluating XPath expression or CSS selector. This add-on requires <all_urls> permission in order to execute a script in a iframe in Firefox version 58.0. Usage: 1. Open the web page you want to apply XPath to. 2. Click the add-on icon in the browser toolbar. 3. Enter the XPath expression in the expression input field. 4. Press the enter key or click the execute button. The resulted elements will be surrounded by the dashed line and the results will be shown in the popup. Features: Specifying the context node. Specifying the behavior of the namespaceResolver function. Highlighting the found elements by the user-defined css.

Risk Assessment

Analyzed
60.85
out of 100
MEDIUM

55 security findings detected across all analyzers

Firefox extension requesting 2 permissions

Severity Breakdown

0
Critical
25
High
30
Medium
0
Low
0
Info

Finding Categories

25
Malware Signatures
2
Network
26
IoC Indicators

YARA Rules Matched

6 rules(25 hits)
postinstall obfuscation postinstall file manipulation postinstall system command postinstall environment access postinstall network communication postinstall file download

Requested Permissions

2 permissions
<all_urls>

Access and modify data on every website you visit

Dangerous
storage
Low

About This Extension

This add-on displays the result of evaluating XPath expression or CSS selector. This add-on requires &lt;all_urls&gt; permission in order to execute a script in a iframe in Firefox version 58.0. Usage: 1. Open the web page you want to apply XPath to. 2. Click the add-on icon in the browser toolbar. 3. Enter the XPath expression in the expression input field. 4. Press the enter key or click the execute button. The resulted elements will be surrounded by the dashed line and the results will be shown in the popup. Features: Specifying the context node. Specifying the behavior of the namespaceResolver function. Highlighting the found elements by the user-defined css.

Detailed Findings

28 total

YARA Rule Matches

6 rules

Indicators of Compromise

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

URLs
6
IP Addresses
1
Domains
18
Strings
26

All Indicators · 26

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

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

extracted_from_files

Domain
detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

URL
detected URL: http://ns.adobe.com/pdf/1.3/'

XIOC detected URL: http://ns.adobe.com/pdf/1.3/'

extracted_from_files

URL
detected URL: http://ns.adobe.com/xap/1.0/'

XIOC detected URL: http://ns.adobe.com/xap/1.0/'

extracted_from_files

URL
detected URL: http://www.w3.org/1999/xhtml

XIOC detected URL: http://www.w3.org/1999/xhtml

extracted_from_files

Hash
detected MD5 Hash: 5c17b5b14e624215719de48965118ac8

XIOC detected MD5 Hash: 5c17b5b14e624215719de48965118ac8

extracted_from_files

Domain
detected Domain: req.open

XIOC detected Domain: req.open

extracted_from_files

Domain
detected Domain: win.top

XIOC detected Domain: win.top

extracted_from_files

Domain
detected Domain: item.name

XIOC detected Domain: item.name

extracted_from_files

Domain
detected Domain: object.prototype.tostring.call

XIOC detected Domain: object.prototype.tostring.call

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: 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: sender.tab.id

XIOC detected Domain: sender.tab.id

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: main.itemdetails.map

XIOC detected Domain: main.itemdetails.map

extracted_from_files

Domain
detected Domain: event.target

XIOC detected Domain: event.target

extracted_from_files

Domain
detected Domain: browser.tabs.tab

XIOC detected Domain: browser.tabs.tab

extracted_from_files

Domain
detected Domain: result.windows

XIOC detected Domain: result.windows

extracted_from_files

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

IP
detected IP: e::e

XIOC detected IP: e::e

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

Domain
detected Domain: tf416265e19c0a8a11900f7e580ff0249.5c17b5b14e624215719de48965118ac8.addons.mozilla.org

XIOC detected Domain: tf416265e19c0a8a11900f7e580ff0249.5c17b5b14e624215719de48965118ac8.addons.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.org

XIOC detected Domain: mozilla.org

extracted_from_files

Domain
detected Domain: event.data

XIOC detected Domain: event.data

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Try XPath is a Firefox Add-ons extension published by larissa9839. Version 1.3.5 has been analyzed by the Risky Plugins security platform, receiving a risk score of 60.85/100 (MEDIUM risk) based on 55 security findings.

Risk Assessment

This extension presents high security risk. Significant concerns were identified during analysis. It is not recommended for use in sensitive or production environments without thorough review.

Findings Breakdown

  • High: 25 finding(s)
  • Medium: 30 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

Try XPath is published by larissa9839 on the Firefox Add-ons marketplace. The extension has approximately 2K users.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Frequently Asked Questions