Burr has a security risk score of 48.74/100 (MEDIUM risk). Our security analysis detected 20 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of Burr?

Based on our automated security analysis, Burr 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.

Firefox Add-ons

Burr

by Gen · 1 users

e4205cdf-f397-597c-ac4f-25d6d776fd4d | v1.0.0

MEDIUM risk

Risk verdict

Review before use

Score-based assessment (medium risk, 49/100). No analyst review available.

Analysis record

Analysed: 2 weeks ago
Version: v1.0.0
Artifact: SHA256 782…656
Source: Findings (non-IoC)

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

8 detail rows

YARA Rule Matches

4 rules

Severity	Rule	Hits	Files	Metadata
LOW	`postinstall file manipulation`	2	options/options.htmlpopup/popup.js	-
LOW	`postinstall environment access`	1	popup/popup.js	-
LOW	`postinstall system command`	2	popup/popup.cssoptions/options.css	-
LOW	`postinstall file download`	2	popup/popup.jsoptions/options.js	-

Network Indicators

Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.

12 total

...

Network indicators are queued for lazy loading

Scroll this section into view to load the detailed rows.

Publisher Evidence

Limited evidence

Gen

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

Firefox does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.

Noisy-finding weight

x1.00

Publisher domain

No domain

Missing

Store verification signal

Limited signal

Limited

Extension portfolio

Portfolio

13 evidence rows available.

Finding Categories

IoC Indicators

YARA Rules Matched

4 rules(7 hits)

postinstall file manipulation postinstall environment access postinstall system command postinstall file download

Requested Permissions

2 permissions

tabs

Medium

storage

Low

Security Analysis Summary

Security Analysis Overview

Burr is a Firefox Add-ons extension published by Gen. Version 1.0.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 48.74/100 (MEDIUM risk) based on 20 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

Medium: 13 finding(s)
Low: 7 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

Burr is published by Gen on the Firefox Add-ons marketplace. The extension has approximately 1 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.

About This Extension

Burr is a lightweight, private browser extension that attaches notes and reminders to websites. Notes anchor to a domain and reappear when you return, with reminders and snooze. All note data lives entirely within your browser profile: no external servers, no tracking, no telemetry. Backup and restore at any time via JSON export.

Frequently Asked Questions

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