SECURITY REPORT · EXTENSHI SCAN
Deckr
Firefox extension·by Deckr
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
Deckr's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Search Tools
28%of search tools extensions carry more risk
Riskier ←→ Safer
Ranked against 14,259 search tools extensions
Findings
13
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
34
median 3vs category median
Findings breakdown
Automated security signal · 13 findings across 5 severities
13
findings
detected
detected
Critical00%
High00%
Medium1077%
Low323%
Info00%
Permissions requested
3 risky permissions of 5 total
3 high-risk permissions require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
View most visited sites
Can see your most frequently visited websites
High
Access browsing history
Can read and modify your complete browsing history
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Read clipboard
Can read text and data currently on your clipboard
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Scan performed by extenshi.io · Jun 25, 2026
Browser extensions made transparent.