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7Versions

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Not reviewed

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What our analysis found

Privacy Guardrail, used by 4,000 people, is not yet reviewed by Extension Auditor. It was last updated in September 2026.

Privacy Guardrail Chrome extension security report

ID: mcfmihbghefbeeaapopamagaalkbanmp

Supported Languages

🇺🇸English

Extension Info & Metadata

Status

Active

Version

0.5.0

Size

160.00 MB

Rating

5.0/5

Reviews

Users

4,000

Type

Extension

Updated

Sep 23, 2026

Publisher Contextual Analysis

Author: DFKI GmbH
Privacy: Privacy Policy
Help: Help Center
Country: DE
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Address: Trippstadter Str. 122 Kaiserslautern 67663 DE
Website: Visit

Extensions

Active

Obsolete

Listed

Unlisted

Users

4,000

Screenshots & videos

Install growth

User Growth

No data available

No user growth data available for this extension

Rating Count

No data available

No rating count data available for this extension

Average Rating

No data available

No rating data available for this extension

See plans

React Flow

Internal permhash`f60ac5ee2f…`
No malicious matches

No other extension carries this fingerprint.

Permhash (Mandiant)`76a8b7f85b…`
1 malicious

30 other extensions carry this fingerprint; 1 of the cluster are known malicious.

Withheldmalicious
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
+23 more

Item	Type	Severity	Description
offscreen	Permission	High	This permission creates hidden browser documents with full DOM access. Rated High because it can run background operations invisibly, potentially executing malicious code without user awareness.
Contextual Risk Factors	Risk Factor	High	The following context increases the overall risk: • 19% increase: Access to sensitive domains increases potential impact • 10% increase: Early script execution enables pre-emptive content manipulation • 25% increase: Unsafe code evaluation capabilities increase attack surface
Unsafe WebAssembly Execution	Risk Factor	High	This extension's CSP allows "wasm-unsafe-eval".
storage	Permission	Medium	This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
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.
https://chat.openai.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://chatgpt.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://claude.ai/*	Host	Medium	Host permission — access limited to this URL pattern.
https://gemini.google.com/*	Host	Medium	Host permission — access limited to this URL pattern.
Access to Sensitive Domains	Risk Factor	Medium	This extension requests access to sensitive domains: https://gemini.google.com/*
Early Content Script Execution	Risk Factor	Medium	This extension runs content scripts at document_start.

Sensitive Domain Access

This extension has access to the following sensitive domains:

https://gemini.google.com/*

About this extension

Automatically anonymizes personal data in text before pasting into LLM chat interfaces. All processing runs locally in your browser.

Read the publisher’s full description

Privacy Guardrail helps you spot personal or sensitive data in text before you paste it into a supported chat assistant. All detection runs locally in your browser. Nothing you type, paste, review, or correct is uploaded to any server by this extension. https://github.com/dfki-dsa/pii-guardrail-browser-extension

User reviews

5.0 out of 5 · 2 most recent reviews

Text reviews

Positive

Negative

Works like a charm. Actually genius.

Gabriel Winter·8 Jul 2026

Great!

Ornaldo Gjergji·21 May 2026

Extension files

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No network indicators were extracted from this version.

Version	Size	Verdict	Findings	Permhash
0.5.0 Latest	160.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202
0.4.2	160.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202
0.4.0	390.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202
0.3.2	396.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202
0.3.1	396.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202
0.2.3	724.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202
0.2.0	724.00 MB	Not scanned	—	76a8b7f85bd4330cb829918a3f26fa03cf92dbd3f1f29541fb1b42e4eaed1202

Showing 1 to 7 of 10 rows

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Code Diff

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What our analysis found