SECURITY REPORT · EXTENSHI SCAN
Wayback++
Firefox extension·by JohnABerlin
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
Wayback++'s safety score vs every other extension we've scanned
Globally
70.61%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
60.61%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
13
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
9
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 13 distinct issues across 6 severities
13
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.
Critical18%
High323%
Needs Review00%
Medium431%
Low538%
Info00%
Permissions requested
2 risky permissions of 9 total
2 high-risk permissions require attention
This extension requests 9 permissions in total. 2 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 all HTTP sites
Can read and modify content on all non-encrypted websites
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Add context menu items
Can add custom items to the right-click context menu
Info
https://*/
No additional information available.
Info
*://*/*
No additional information available.
Info
*://*.web.archive.org/*
No additional information available.
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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