SECURITY REPORT · EXTENSHI SCAN
Progressive Web Apps for Firefox
Firefox extension·by Filip Štamcar
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
Progressive Web Apps for Firefox's safety score vs every other extension we've scanned
Globally
78.12%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
68.12%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
11
median 38Lower is safer
Risky permissions
5
median 1Critical + high perms
Total permissions
8
median 4All declared perms
Critical findings
2
median 2Severity = Critical
Findings breakdown
Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected
detected
Scanners reported 18 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical218%
High00%
Needs Review00%
Medium655%
Low327%
Info00%
Permissions requested
5 risky permissions of 8 total
1 critical permission require attention
This extension requests 8 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
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
High
Observe web requests(optional)
Can monitor all network requests made by the browser
High
Block and modify web requests(optional)
Can intercept, block, or modify any network request before it completes
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Are you the author of Progressive Web Apps for Firefox?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Progressive Web Apps for Firefox's live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.