SECURITY REPORT · EXTENSHI SCAN
MangaLedger
Firefox extension·by SoulsHD
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
MangaLedger's safety score vs every other extension we've scanned
Globally
81.32%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
71.32%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
12
median 38Lower is safer
Risky permissions
5
median 1Critical + high perms
Total permissions
16
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 12 findings across 5 severities
12
findings
detected
detected
Critical00%
High18%
Medium975%
Low217%
Info00%
Permissions requested
5 risky permissions of 16 total
5 high-risk permissions require attention
This extension requests 16 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
High
Access browsing history
Can read and modify your complete browsing history
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
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
Low
Schedule tasks
Can schedule periodic background tasks
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Info
https://olympusbiblioteca.com/*
No additional information available.
Info
https://olympusxyz.com/*
No additional information available.
Are you the author of MangaLedger?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.