SECURITY REPORT · EXTENSHI SCAN
Flash Debugger
Firefox extension·by O-Minds
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
- Bundles libraries with known vulnerabilities and no fix in sight
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
Flash Debugger's safety score vs every other extension we've scanned
Globally
3%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Web Development
1%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 14,329 web development extensions
Findings
52
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
675
median 3vs category median
Findings breakdown
Automated security signal · 52 distinct issues across 6 severities
52
distinct issues
detected
detected
Scanners reported 58 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical24%
High917%
Needs Review00%
Medium3975%
Low24%
Info00%
Permissions requested
5 risky permissions of 9 total
2 critical permissions require attention
This extension requests 9 permissions in total. 5 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
View open tabs
Can see URLs and titles of all open tabs
High
Developer tools
Can extend browser developer tools with custom panels
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Browser settings
Can read and modify browser-wide settings
Medium
Store local data
Can save data locally in the browser for persistence
Low
Customize theme
Can change the browser theme appearance
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Scan performed by extenshi.io · Aug 7, 2026
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