PENDING SCAN · IN QUEUE
Bookmark 404 Checker
Firefox extension·by usefulladdons
We haven't scanned this extension yet
Extenshi is a community-driven security scanner for browser extensions.
This one's in our queue — we'll have a full risk report ready soon.
Skip the queue
Is this your extension?
Claim Bookmark 404 Checker as its verified author to trigger an immediate scan — bypassing the public queue — and get a full security report within minutes.
- Instant priority scan. No waiting in the public queue — your scan starts the moment you verify.
- Private pre-release scans. Scan dev builds before you ship; fix issues before the public sees them.
- Respond to findings. Post official responses, dispute false positives, link your remediation commits.
- Verified author badge. Users know the report page is maintained by the people who ship the extension.
Verification takes ~2 minutes via your developer account on the Chrome Web Store, GitHub, or a DNS TXT record on your site.
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What we know so far
Version
1.0
Last updated
May 5, 2026
Installs
2
Store rating
—
Permissions
6
Safety score
pending
Metadata sourced from the Firefox store. A full security scan adds dozens of additional signals across permissions, network, and code analysis.