CVE-2025-54571 ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrate...

CVE-2025-52891 ModSecurity empty XML tag causes segmentation fault

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

BIT-MODSECURITY2-2025-47947 ModSecurity Has Possible DoS Vulnerability

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Versions up to and including 2.9.8 are vulnerable to denial of service in one special case in stable released versions: when the payload's content type is application/json, and there is at...

SafeLine WAF: Open Source Web Application Firewall with Zero-Day Detection and Bot Protection

From zero-day exploits to large-scale bot attacks — the demand for a powerful, self-hosted, and user-friendly web application security solution has never been greater. SafeLine is currently the most starred open-source Web Application Firewall WAF on GitHub, with over 16.4K stars and a rapidly...

Deciso OPNsense Cross-Site Scripting Vulnerability

Deciso OPNsense is a suite of FreeBSD-based open source firewall and routing software from Dutch company Deciso. A cross-site scripting vulnerability exists in OPNsense versions prior to 23.7.5. An attacker could exploit this vulnerability to perform cross-site scripting attacks...

pfsense 2.3.2 Code Execution

Security Advisory - Curesec Research Team 1. Introduction Affected Product: pfsense 2.3.2 Fixed in: 2.3.3 Fixed Version Link: https://pfsense.org/download/ Vendor Website: https://www.pfsense.org/ Vulnerability Type: Code Execution Remote Exploitable: Yes Reported to vendor: 02/06/2017 Disclosed ...