SECURITY REPORT · EXTENSHI SCAN
Email Signatures by NEWOLDSTAMP
Firefox extension·by NEWOLDSTAMP
How it ranks
Email Signatures by NEWOLDSTAMP's safety score vs every other extension we've scanned
Globally
99%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
90%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
0
median 38Lower is safer
Risky permissions
3
median 1Critical + high perms
Total permissions
10
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 0 findings across 5 severities
0
findings
detected
detected
Critical00%
High00%
Medium00%
Low00%
Info00%
Permissions requested
3 risky permissions of 10 total
3 high-risk permissions require attention
This extension requests 10 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
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Observe web requests
Can monitor all network requests made by 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
Info
http://*/
No additional information available.
Info
https://*/
No additional information available.
Info
http://newoldstamp.com/editor
No additional information available.
Info
https://newoldstamp.com/editor/
No additional information available.
Info
*://developer.mozilla.org/*
No additional information available.
Are you the author of Email Signatures by NEWOLDSTAMP?
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.