Firefox Add-ons

14Versions

0Code reviewed

Not reviewed

No code review on record

We have not reviewed this extension’s code, so we cannot vouch for it either way. Check the permissions below to decide whether it asks for more than it needs.

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6 indicators in this extension

6 indicators

0 versions analysed

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What our analysis found

SafeBrowse Guard, used by 11,658 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites and can inject scripts into pages. It comes from a publisher with 5 extensions and was last updated in May 2026.

SafeBrowse Guard Firefox extension security report

ID: safebrowse-guard

Extension Info & Metadata

Status

Active

Version

1.13.17

Size

0.06 MB

Rating

0.0/5

Reviews

Users

11,658

Type

Extension

Updated

May 14, 2026

Publisher Contextual Analysis

Author: P0wfu_

Extensions

Active

Obsolete

Listed

Unlisted

Users

28,075

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Install growth

User Growth

Showing data from May 16, 2025 to May 15, 2026

Versions

+145625%(+11,650 users)

Compared to 3 months ago

14 versions released in this period

Rating Count

Total: 0 ratings

Average Rating

Current: 0.00 / 5.0

See plans

React Flow

Internal permhash`3c42dc4012…`
13 malicious

100 other extensions carry this fingerprint; 13 of the cluster are known malicious.

Withheldmalicious
Withheldmalicious
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+93 more

Permhash (Mandiant)`3c42dc4012…`
Too common to be evidence

530 other extensions carry this fingerprint, 58 of them known malicious. A permission set this common is not evidence on its own; the most installed members are listed for reference.

Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
+523 more

Network indicators

5 URLs and 1 IP literals were extracted from this version.

Item	Type	Severity	Description
scripting	Permission	Critical	This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
<all_urls>	Risk Factor	Critical	This permission grants access to all websites without restriction. Rated High because it can access any web content, monitor all web activity, and potentially steal sensitive data across all sites.
Contextual Risk Factors	Risk Factor	High	The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 15% increase: Older manifest version lacks modern security controls• 10% increase: About:blank access enables potential sandbox escape vectors
Broad Host Permissions	Risk Factor	High	This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access	Risk Factor	High	This extension can inject scripts into any website.
tabs	Permission	Medium	This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
Early Content Script Execution	Risk Factor	Medium	This extension runs content scripts at document_start.
About:blank Access	Risk Factor	Medium	This extension can run content scripts in about:blank pages.
Older Manifest Version	Risk Factor	Medium	This extension uses Manifest Version 2

6 indicators in this extension

6 indicators

0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99 Start 7-day trial — all reports

One-time payment · Secure checkout by Stripe

About this extension

SafeBrowse Guard是由亿格云科技有限公司开发的一款专业的浏览器安全防护扩展，确保企业员工安全无忧访问Web站点。

User reviews

Extension files

Browse and explore files within this extension package

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URLs

IPv4

URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

No URLs found

No IP addresses found

6 indicators in this extension

6 indicators

0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99 Start 7-day trial — all reports

One-time payment · Secure checkout by Stripe

Version	Size	Verdict	Findings	Permhash
1.12.0 Latest	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.12.1	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.12.3	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.12.5	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.12.7	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.12.8	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.12.9	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.13.1	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.13.2	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834
1.13.3	0.04 MB	Not scanned	—	3c42dc40124093fb0c4dd4c8edd70458a3e9246f45db6801a8bc1c3842bc8834

Showing 1 to 10 of 20 rows

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Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

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Not reviewed

6 indicators in this extension

What our analysis found

SafeBrowse Guard Firefox extension security report

Extension Info & Metadata

Publisher Contextual Analysis

Install growth

User Growth

Rating Count

Average Rating

Threat relationships

Internal permhash`3c42dc4012…`
13 malicious

Permhash (Mandiant)`3c42dc4012…`
Too common to be evidence

Network indicators

Security analysis

Manifest File Security Analysis

6 indicators in this extension

Store listing & files

About this extension

User reviews

Extension files

Network indicators

URLs

6 indicators in this extension

Versions & changes

Version History

Code Diff

More from P0wfu_

User Growth

Rating Count

Average Rating

Threat relationships

Internal permhash`3c42dc4012…`
13 malicious

Permhash (Mandiant)`3c42dc4012…`
Too common to be evidence

Network indicators

Not reviewed

6 indicators in this extension

What our analysis found

SafeBrowse Guard Firefox extension security report

Extension Info & Metadata

Publisher Contextual Analysis

Install growth

User Growth

Rating Count

Average Rating

Threat relationships

Internal permhash3c42dc4012…13 malicious

Permhash (Mandiant)3c42dc4012…Too common to be evidence

Network indicators

Security analysis

Manifest File Security Analysis

6 indicators in this extension

Store listing & files

About this extension

User reviews

Extension files

Network indicators

URLs

6 indicators in this extension

Versions & changes

Version History

Code Diff

Related extensions

More from P0wfu_

User Growth

Rating Count

Average Rating

Threat relationships

Internal permhash3c42dc4012…13 malicious

Permhash (Mandiant)3c42dc4012…Too common to be evidence

Network indicators

Internal permhash`3c42dc4012…`
13 malicious

Permhash (Mandiant)`3c42dc4012…`
Too common to be evidence

Internal permhash`3c42dc4012…`
13 malicious

Permhash (Mandiant)`3c42dc4012…`
Too common to be evidence