SECURITY REPORT · EXTENSHI SCAN
F5 Access Guard
Firefox extension·by F5 Networks Inc.
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
Likely abandonedsafety score reduced by 30 points
- No update in over 6 years
Why this matters
An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
F5 Access Guard's safety score vs every other extension we've scanned
Globally
11%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
7%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
13
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
111
median 3vs category median
Findings breakdown
Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected
detected
Critical215%
High538%
Needs Review00%
Medium538%
Low18%
Info00%
Permissions requested
4 risky permissions of 5 total
2 critical permissions require attention
This extension requests 5 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
Critical
Access to all websites
Can read and modify content on every website you visit
High
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
Low
Detect idle state
Can detect when your machine is idle, active, or locked
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Scan performed by extenshi.io · Aug 6, 2026
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