SECURITY REPORT · EXTENSHI SCAN
Aria2 Pro Downloader
Firefox extension·by AnnoTokyo
0
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
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
Aria2 Pro Downloader's safety score vs every other extension we've scanned
Globally
11%of extensions carry more risk
Riskier ←→ Safer
Ranked against 144,092 extensions
In Download Management
5%of download management extensions carry more risk
Riskier ←→ Safer
Ranked against 2,985 download management extensions
Findings
34
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
8
median 13vs category median
Findings breakdown
Automated security signal · 34 distinct issues across 6 severities
34
distinct issues
detected
detected
Scanners reported 41 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical13%
High13%
Needs Review00%
Medium2779%
Low515%
Info00%
Permissions requested
4 risky permissions of 9 total
4 high-risk permissions require attention
This extension requests 9 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
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
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Add context menu items
Can add custom items to the right-click context menu
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Jul 25, 2026
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