SECURITY REPORT · EXTENSHI SCAN
Grammar and Spell Checker - LanguageTool
Firefox extension·by LanguageTooler GmbH
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
Grammar and Spell Checker - LanguageTool's safety score vs every other extension we've scanned
Globally
49.76%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
39.76%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
250
median 38Lower is safer
Risky permissions
3
median 1Critical + high perms
Total permissions
15
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 250 distinct issues across 6 severities
250
distinct issues
detected
detected
Scanners reported 411 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical10%
High5422%
Needs Review00%
Medium14558%
Low5020%
Info00%
Permissions requested
3 risky permissions of 15 total
3 high-risk permissions require attention
This extension requests 15 permissions in total. 3 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 HTTP sites
Can read and modify content on all non-encrypted websites
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
Low
Schedule tasks
Can schedule periodic background tasks
Info
file:///*
No additional information available.
Info
https://languagetool.org/*/webextension/premium-announcement*
No additional information available.
Info
https://languagetool.org/webextension/premium-announcement*
No additional information available.
Info
*://docs.google.com/document/*
No additional information available.
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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