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Understanding Angler Exploit Kit
Unit 42 explains exploit kit fundamentals, describing how landing pages profile victims, deliver exploits, and install malware payloads on Windows hosts.
Unit 42 published a primer on exploit kit fundamentals, defining vulnerabilities, exploits, malware payloads, actors, and campaigns in EK-based attacks. It explains the infection chain: a landing page profiles the victim's Windows system for vulnerable applications such as Flash Player, Java, Silverlight, and Internet Explorer, then a matching exploit executes a downloader or final payload, often delivered encrypted with XOR or RC4. The post also describes the EK-as-a-Service business model, in which leading EKs are rented for a few thousand dollars per month while buyers supply campaign infrastructure.
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Unauthenticated RCE Flaws Could Expose 200,000+ WordPress Sites to Takeover
Two unauthenticated CVSS 9.8 code-injection and PHP object injection flaws in The Events Calendar plugin expose 200,000+ WordPress sites to RCE and takeover.
Defiant identified two critical vulnerabilities in The Events Calendar WordPress plugin, which has over 600,000 active installations. CVE-2026-78159, unauthenticated code injection during single-event HTML processing, was patched in version 6.17.3.1 on August 25; CVE-2026-78006, unauthenticated PHP object injection via event comments, was patched in 6.17.4.1 on September 10. Both independent chains lead to remote code execution and full site compromise. Roughly 240,000 sites run versions vulnerable to both flaws, and about 300,000 downloads between September 10 and 14 suggest half of installations may still lack the second fix.
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March 2026 CVE Landscape: 31 High-Impact Vulnerabilities Identified, Interlock Ransomware Group Exploits Cisco FMC Zero
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Critical GitLab flaw allows attackers to modify or delete public projects (CVE-2026-19478)
GitLab patched a critical unauthenticated code injection flaw CVE-2026-19478 (CVSS 9.4) enabling modification or deletion of public projects; upgrades urged.
GitLab released patches for two vulnerabilities affecting Community Edition (CE) and Enterprise Edition (EE) versions 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4. CVE-2026-19478 (CVSS 9.4) is an unauthenticated code injection via a GraphQL directive, exploitable remotely without user interaction, allowing attackers to modify or delete public projects and user data. CVE-2026-19650 (CVSS 7.1) is a cross-site request forgery issue in the GraphQL multiplex query handler allowing mutations via GET requests with user interaction. Fixes are available in 18.11.11, 19.0.8, 19.1.6, and 19.2.4; both flaws were reported via GitLab's HackerOne bug bounty program.
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