The Bug Circuit blog
Website security, in plain English
Practical guides for small-business owners: how to check and fix the things that actually get websites hacked. No jargon, no fear-mongering, no fluff.
Critical Easy Form Builder Bug Allows Admin Takeover
A critical vulnerability (CVE-2026-13439) in Easy Form Builder lets attackers reset admin passwords. Learn who is affected and how to secure your site.
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WPFunnels RCE Bug (CVE-2026-14345): What to Do Now
A critical RCE flaw (CVSS 9.8) hits WPFunnels for WooCommerce up to 3.12.7. Here's exactly what the bug does and how to protect your store today.
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Uncanny Automator Pro Hacked: Update Now
A critical backdoor (CVE-2026-12375, CVSS 9.8) hit Uncanny Automator Pro before 7.3.0.6. Here's who's affected and the exact steps to update and check for damage.
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How Agencies Use Bug Circuit for Client Site Audits
A practical guide for agencies: how to buy per-site manual security audits for client websites, what's included, and how to price it into client work.
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DIY Website Security Audit Checklist (Free)
A free, self-serve checklist to audit your own website's security: headers, SSL, logins, backups, plugins, plus what only a human audit catches.
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Do You Need a Web Application Firewall (WAF)?
A WAF blocks known attack patterns at the edge but can't find or fix the bug behind them. Here's an honest WAF-vs-manual-audit comparison to help you decide.
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Squarespace Hacked or Redirecting to Spam? How to Fix It
Has your Squarespace site been hacked or is it redirecting to spam? Tell a domain hijack from an account takeover, then fix each one step by step.
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Fix NET::ERR_CERT_AUTHORITY_INVALID: Owner's Guide
Your own site throwing NET::ERR_CERT_AUTHORITY_INVALID? Here's how to find and fix a broken cert chain, failed renewal, or wrong-domain certificate.
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SOC 2 vs ISO 27001: Which Needs a Pentest?
Neither framework's rulebook says "penetration test" in plain words, but auditors expect one anyway. Here's exactly what SOC 2 and ISO 27001 require.
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DIY Scanner vs Manual Security Audit: What You Get
Free scanners catch missing headers, outdated plugins, and weak TLS. Here's exactly what they miss, what a manual audit adds, and how to decide.
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Internal vs External Pentest: Which You Need
Internal and external penetration tests aren't interchangeable. Learn the real difference and why a public website only needs external testing.
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Is My WordPress Site Hacked? Diagnostic Checklist
Not sure if your WordPress site was hacked? Check these concrete warning signs, from sudden 500 errors to rogue admin accounts, and know what to do next.
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Wix Security Checklist for Small Business Owners
Wix handles hosting and SSL, but not your passwords, apps, or forms. Here's the exact checklist to lock down your Wix site in under an hour.
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Scanner Found a Vulnerable Plugin? Do This Next
WPScan or Wordfence flagged a plugin? Here's the exact triage order: confirm the version, check for active exploits, then patch or deactivate.
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WordPress Backup Strategy Before Disaster Strikes
A practical WordPress backup cadence and disaster-recovery plan for small business owners: how often to back up, why offsite matters, and how to test a real restore.
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Best Free WordPress 2FA Plugin & Setup Guide
Not sure which 2FA plugin to trust? Here's the best free option for WordPress, exact setup steps, and 2FA choices that don't need an authenticator app.
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Stop WordPress Login Brute-Force Attacks
Getting failed-login emails or wp-login.php spikes? Here's the exact plugin setting and firewall rule to stop WordPress brute-force attacks today.
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GDPR for Small Websites: No-Legalese Checklist
A plain-English GDPR checklist for small business websites: cookie banners, privacy policy musts, form data rules, and the security duty most owners miss.
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Webflow Security Issues: Is Your Site Actually Safe?
Common Webflow security issues: Webflow secures the servers, not your embeds, forms, headers or API keys. What to check on your Webflow site and how to fix it.
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What Is Clickjacking? The 1-Line Fix
Clickjacking hides your site in an invisible frame to hijack visitor clicks. Learn how it works and the single HTTP header that stops it for good.
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What Is a Security Header? The 5 You Need
Plain-English guide to security headers: what they are, the 5 every small site needs (CSP, HSTS, and more), and exact code to add them.
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"Deceptive Site Ahead" Warning: What It Means and How to Fix It
Saw the red "Deceptive site ahead" screen in Chrome? What it means, what to do if you are a visitor, and how site owners get the warning removed fast.
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Is Wix or Squarespace Secure? What They Do & Don't Cover
Wix and Squarespace lock down servers and SSL for you, but weak passwords, bad embeds, and missing DNS records still leave your site exposed. Here's the full picture.
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What Is CSRF? The Attack Using Your Login
CSRF tricks your logged-in browser into changing settings, adding users, or redirecting payouts, no password needed. Here's how it works and how to stop it.
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Is Shopify Secure? What You Still Own
Shopify secures its servers and checkout, but apps, themes, staff logins, and phishing are still on you. Here's the exact line and how to check it.
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WooCommerce Security Checklist for Stores
A do-it-today WooCommerce security checklist: patch discipline, admin lockdown, PCI-safe checkout, and headers to stop plugin-sprawl breaches.
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What a Website Security Audit Report Looks Like
See a real, annotated sample security audit report (findings, severity ratings, and plain-English fixes) before you pay for one.
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Sucuri vs Wordfence (2026): Which One Do You Need?
Sucuri vs Wordfence, or Wordfence or Sucuri? A plain comparison of what each WordPress security tool protects, which fits your site, and the gap neither covers.
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What Is Cross-Site Scripting (XSS)? Plain-English Guide
XSS lets attackers run their own code in your visitors' browsers. Learn how it works, whether your contact form is exposed, and exactly how to fix it.
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What Is a Website Vulnerability? Explained Simply
A plain-English guide to what website vulnerabilities actually are, how vulnerability differs from exploit and risk, and what Critical/High/Medium/Low severity means.
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What Is SQL Injection? How a Form Leaks Data
SQL injection lets one unprotected search box or login field expose your whole customer database. Learn how it works, why size doesn't protect you, and how to fix it.
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Domain Blacklisted? How to Delist and Recover
Blacklisted domain? Here's how to delist from Spamhaus, Barracuda, and Google Safe Browsing, and fix the compromise so you don't get re-listed.
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Why Is My Website Sending Spam Emails? (Fix It)
Your host flagged spam coming from your site? Learn how to confirm it, find the hidden mailer script, remove it, and stop the next suspension.
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Host Suspended Your Site for Malware? Do This
Your web host suspended your site for malware. Here's exactly how to find the infection, clean it, prove it's gone, and get reinstated without it happening again.
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Website Redirecting to Spam? How to Stop It
Site sending visitors to spam pages? Learn the 4 spots redirect hacks hide (.htaccess, injected JS, WP database, DNS) and how to trace and fix each one fast.
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Fix the 'Not Secure' Warning on Your Website
Plain-English fix for the browser 'Not Secure' warning: install an SSL certificate, force HTTPS, and clear mixed-content errors, no developer needed.
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12 Signs Your Website Has Been Hacked
A plain-English checklist of 12 warning signs your website may be hacked (from Google warnings to bounced email), plus how urgent each one is and what to do next.
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