SECURITY REPORT · EXTENSHI SCAN
Signspaces - Learn Signs
Firefox extension·by Signspaces - Sign Language Learning
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
Signspaces - Learn Signs's safety score vs every other extension we've scanned
Globally
83.13%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
73.13%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
26
median 38Lower is safer
Risky permissions
4
median 1Critical + high perms
Total permissions
6
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 26 findings across 5 severities
26
findings
detected
detected
Critical00%
High00%
Medium1869%
Low831%
Info00%
Permissions requested
4 risky permissions of 6 total
4 high-risk permissions require attention
This extension requests 6 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
High
Access local files
Can read files on your local filesystem opened in the browser
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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