SECURITY REPORT · EXTENSHI SCAN
Marketplace Rewind: History for Facebook Marketplace
Chrome extension·by matthew.lee.webber
0
/ 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
Marketplace Rewind: History for Facebook Marketplace's safety score vs every other extension we've scanned
Globally
56%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
59%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
9
median 12Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 1Declared in manifest
Active users
5
median 26vs category median
Findings breakdown
Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected
detected
Scanners reported 10 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High111%
Needs Review00%
Medium667%
Low222%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
Low
Use side panel
Can display content in the browser side panel
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Scan performed by extenshi.io · Aug 9, 2026
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