SECURITY REPORT · EXTENSHI SCAN
PolySchedule
Firefox extension·by Oolong
93
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
PolySchedule's safety score vs every other extension we've scanned
Globally
72%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,636 extensions
In Appearance
39%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,905 appearance extensions
Findings
5
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
8
median 2Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium360%
Low240%
Info00%
Permissions requested
8 permissions declared
No risky permissions
8 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://dossieretudiant.polymtl.ca/WebEtudiant7/PresentationHorairePersServlet*
No additional information available.
Info
http://dossieretudiant.polymtl.ca/WebEtudiant7/PresentationHorairePersServlet*
No additional information available.
Info
*://dossieretudiant.polymtl.ca/WebEtudiant7/PresentationHorairePersServlet*
No additional information available.
Info
file://*/*PresentationHorairePersServlet*
No additional information available.
Info
file://*/*Dossier%20%C3%A9tudiant%20-%20Polytechnique%20Montr%C3%A9al*.html*
No additional information available.
Info
file://*/*Dossier*tudiant*Polytechnique*Montr*al*.html*
No additional information available.
Info
file://*/*polyScheduleExtension*
No additional information available.
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Scan performed by extenshi.io · Sep 6, 2026
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