Practical Security Guides For Your Team

Your application uses an outdated version of Lodash, a very common JavaScript helper library. This version has a known flaw that could allow an attacker who can send crafted input to your app to corrupt how your application handles data internally — potentially causing it to crash or behave in unexpected ways. Exploiting this requires specific conditions, but the fix is a straightforward library update.

Your application uses a very old version of Lodash (3.10.1), a popular JavaScript utility library, that has a known security flaw. An attacker who can send crafted data to your application could manipulate how JavaScript objects behave globally — think of it like someone secretly changing the rules of the game for every player at once. Upgrading to the latest version of Lodash closes this gap immediately.

Your application is using a very old version of lodash (3.10.1), a popular JavaScript helper library, that contains a known security flaw. An attacker who can send crafted data to your application could use this flaw to disrupt your service or, in some cases, interfere with how your application behaves. The fix is a straightforward library upgrade.

Your application uses an old version of a popular JavaScript helper library called Lodash (version 3.10.1) that contains a known security flaw. An attacker who can send crafted data to your app could manipulate how it processes objects internally, potentially disrupting its behavior. Upgrading to the latest version of Lodash takes a developer under an hour and fully resolves the issue.

Your server is sending two contradictory security instructions at the same time — one that says 'anyone on the internet can read our responses' and another that says 'include the user's private login credentials.' Browsers are smart enough to refuse this combination, so no one is being harmed right now. But this configuration signals a deeper misunderstanding of how cross-site access controls work, and a developer trying to 'fix' it the wrong way could accidentally create a real vulnerability.

Your application is configured to allow any website in the world to read responses from your server. Think of it like leaving your office filing cabinet unlocked — anyone who walks past can look inside. For pages that are genuinely public (like a marketing site), this is fine. For pages that return user data, account info, or internal details, it's a gap worth closing.

Your website already uses a secure connection (HTTPS), which is great. But there's a setting that tells browsers how long to remember to always use that secure connection — and yours is set too low. Think of it like a reminder that expires too quickly: if a user's browser forgets before their next visit, there's a brief window where they could be exposed to a connection that isn't fully protected.

Your website uses an outdated version of jQuery, a common JavaScript tool. This version has a known flaw: if your site makes background data requests to other websites, a compromised or malicious third-party server could send back code that runs automatically in your visitors' browsers. Think of it like ordering a package and having the delivery driver hand you something unexpected that activates the moment you open the door.

Your web server is missing a simple one-line instruction that tells browsers how to handle the files it sends. Without it, some browsers may try to 'guess' what type of file they've received — and in certain situations, that guess could cause a harmless-looking file to be treated as executable code. Think of it like a label on a package: without it, the delivery driver has to guess what's inside.

Your server still supports TLS 1.0, an old encryption standard from 1999 that has a known weakness called BEAST. Think of it like a lock on your front door that was recalled years ago — it still works most of the time, but security experts have shown it can be picked under the right conditions. Modern browsers and servers have largely worked around this flaw on their end, but the safest fix is to retire the old protocol on your server entirely.

Your application uses an outdated version of Moment.js — a popular tool for handling dates and times — that contains a known security flaw. If any part of your app lets users choose a language or locale (e.g., 'English', 'French'), an attacker could craft a malicious input to access or manipulate files on your server that they shouldn't be able to touch. This only affects server-side usage, not purely browser-based code.

Your application uses an old version of Moment.js, a popular JavaScript tool for handling dates and times. This version has a known flaw where a specially crafted date string can cause the server to get stuck processing it, making your app slow or unresponsive for other users. Think of it like a trick question that causes a calculator to spin forever — it doesn't break the calculator, but it stops it from doing anything else.