Technologies and known flaws
Stack Lens identifies what runs your site; the watch tracks the flaws that affect it.
3 minUpdated
Stack Lens
The analysis identifies the technologies running your site — CMS, framework, libraries — and flags those whose version is out of date. It only reads what your site already publishes publicly: nothing is installed, and we do not access your server.
An outdated version is the most common way in for an attacker. The firewall protects you while you update, but it does not replace updating: it stops the attacks it recognises, not the ones that do not exist yet.
The flaw watch
Thousands of flaws are published every year; nearly none concern you. The watch filters that stream against the technologies actually detected on your sites and surfaces only what applies to you, most severe first.
The feed history is kept for 12 rolling months: beyond that, alerts are deleted automatically. An alert you can no longer find after a year was not missed — it was purged. The duration shown under the feed counter is the one the server actually applies.
An alert is not a breach: it is a warning ahead of one. Compare the version listed with the one on your site and update if you are affected. This feature is limited to higher plans.
These alerts are written by an AI
The text of each alert is generated automatically by an artificial intelligence from public sources (CISA, CERT-FR, NVD…). That is what makes it possible to surface only what concerns you, but generated text can be wrong — the affected version in particular. Always check the version actually installed on your site before acting.
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