Insights

Security insights from Bytium operators

Brief updates from Bytium operators on the tactics we see, how we respond, and what your teams can ship today to stay ahead.

Mar 30, 20252 min read

Stored XSS in Perfex CRM 3.2.1 Contracts Module

Stored XSS in Perfex CRM 3.2.1 project discussions allows authenticated clients to inject JavaScript that runs for other users.

security
advisory
Mar 30, 20252 min read

Stored Cross-Site Scripting in Perfex CRM 3.2.1 Project Discussions

Stored XSS in Perfex CRM 3.2.1 project discussions allows authenticated clients to inject JavaScript that runs for other users.

security
appsec
advisory
Mar 7, 20253 min read

Why 13,000 WordPress Sites Get Hacked Daily and How to Stop It

WordPress isn’t “insecure by default”, but outdated plugins, weak configs, and sloppy access control make it an easy target. Here’s how attacks happen and what to do.

security
Sep 18, 20242 min read

Stored XSS Vulnerabilities in CRMGo SaaS 7.2

Two stored cross-site scripting (XSS) vulnerabilities were identified in CRMGo SaaS version 7.2

advisory
security
vulnerabilities
Sep 12, 20242 min read

Blind SQL Injection in RISE CRM (CVE-2024-8945)

Case study detailing the discovery, validation, and remediation of a blind SQL injection vulnerability in RISE CRM version 3.7.0.

Sep 8, 20242 min read

Fix VMware Workstation Host Modules on Linux Kernel (vmmon/vmnet)

How to patch and rebuild VMware Workstation host modules (vmmon/vmnet) on Debian/Ubuntu/Fedora after a kernel update breaks compilation or networking.

Technical
Apr 20, 20243 min read

Rapid Security Assessment of a Custom School Management Application

A case study detailing a time-boxed security assessment of a custom school management system, identifying high and critical vulnerabilities through manual testing.

Security Assessment
Case study
Dec 29, 20234 min read

Practical WordPress Security Hardening: A Technical Guide

A practical, technical guide to hardening WordPress security using code-level controls, configuration changes, and layered defenses without relying on excessive plugins.

security