As cyber threats evolve, the need for robust server security measures has become critical. Recently, multiple stored cross-site scripting (XSS) vulnerabilities were disclosed in various versions of Liferay, a popular open-source digital experience platform. Overview of the Vulnerability These vulnerabilities, identified as CVE-2025-43822, affect Liferay Portal 7.4.3.15 through 7.4.3.111 and Liferay DXP versions from 2023.Q3.1 […]

The cybersecurity landscape is ever-evolving, and staying updated on vulnerabilities is crucial for server administrators and hosting providers. Recently, a notable vulnerability, identified as CVE-2025-11415, was found in the PHPGurukul Beauty Parlour Management System. This vulnerability poses a serious risk that could be exploited remotely, leading to significant security concerns. Summary of the CVE-2025-11415 Incident […]

As cyber threats evolve, the need for robust server security measures has become critical. Recently, multiple stored cross-site scripting (XSS) vulnerabilities were disclosed in various versions of Liferay, a popular open-source digital experience platform. Overview of the Vulnerability These vulnerabilities, identified as CVE-2025-43822, affect Liferay Portal 7.4.3.15 through 7.4.3.111 and Liferay DXP versions from 2023.Q3.1 […]

The cybersecurity landscape is ever-evolving, and staying updated on vulnerabilities is crucial for server administrators and hosting providers. Recently, a notable vulnerability, identified as CVE-2025-11415, was found in the PHPGurukul Beauty Parlour Management System. This vulnerability poses a serious risk that could be exploited remotely, leading to significant security concerns. Summary of the CVE-2025-11415 Incident […]

Start the New Year with this security quiz to test your knowledge and get a chance to receive the latest edition of ‘The Art of Server Protection’ e-book, or -- win our BitNinja Server Security for 1 month, absolutely free.  What a great way to start the New Year! Our ninjas created a short quiz […]

As we promised before, our article series inspired by V-day is continuing. Those who are provisioning servers day by day, certainly have some doubts about their process: being time-consuming, non-repeatable, hard to test or simply just something is going wrong in the existing infrastructure during the provisioning. There are opportunities to test failover or rollback processes, […]

What do you think about SPAMs? Most of us think they are useless and heavily annoying, but not for everybody. There are some geeks, who totally understand the background and find it rubbish, but sometimes they read them to “entertain themselves” and learn more about the recent patterns hacker tactics. Have you ever found a hidden […]

Bugs are always hunting us.  Recently we found some bugs during our work, but keep calm, they're not in the BitNinja agent. 😉 Let’s see what we explored: ModSecurity bug: empty comment line In our WAF2.0 (beta will come soon) we implemented ModSecurity as well as the OWASP’s core ruleset. Recently, our developers found a […]

No matter if you’re a Linux security veteran or you’re just about to get your feet wet, you’ll face the same security threats and upcoming attacks forms. Here we come with a security cheat sheet with ultimate checkpoints that no sysadmins should miss. When meeting new company, usually the very first thing I’m asked about […]

A new class of side-channel attacks have been appeared, which exploit the following CPU vulnerabilities: CVE-2017-5715 : branch target injection CVE-2017-5753 : bounds check bypass CVE-2017-5754 : rogue data cache load Meltdown and Spectre rely on them and allow the hackers to read the memory content of other programs, it means they can access the […]

What is a port? Ever since computers are able to run more programs at the same time and can connect to modern networks, ports became important. 3 things are needed for the communication between two machines: IP address of the host Port number Type of protocol (e.g. TCP, UDP) A port number is a 16-bit […]

Web applications pose a significant security risk to servers, and having a web application firewall (WAF) in place is vital to keeping your servers and your business running smoothly. The average web server faces thousands of attacks on a daily basis. There are a number of web application firewalls available to protect your server, and having […]

The number of cybersecurity breaches experienced in 2017 were really high, hackers kept themselves busy – just think about the WannaCry ransomware infecting Windows PCs. Furthermore, 2018 is almost here, and the future definitely holds many changes for you, Linux server operators, in the field of cybersecurity. As security always comes first, now it’s time […]

The cybersecurity landscape continues to evolve, and recent findings have raised alarms regarding a new vulnerability: CVE-2025-11417. This critical flaw affects the Campcodes Advanced Online Voting Management System, particularly its voters_add.php file, leading to severe security implications. Overview of the Vulnerability CVE-2025-11417 introduces an unrestricted file upload vulnerability. Attackers can exploit this weakness by manipulating […]

As cybersecurity threats evolve, server security remains a critical concern for system administrators and hosting providers. A recent vulnerability, CVE-2025-61999, highlights the importance of safeguarding web application environments. Incident Summary The OPEXUS FOIAXpress application, prior to version 11.13.3.0, allows administrative users to upload SVG files. This feature can be exploited to execute malicious JavaScript when […]

Cybersecurity threats evolve continually, demanding vigilance from system administrators and hosting providers. Recently, a serious vulnerability (CVE-2025-61997) has come to light regarding the OPEXUS FOIAXpress platform. This post will detail the implications of this vulnerability, why it’s critical for server security, and how to mitigate its effects. Understanding CVE-2025-61997 The OPEXUS FOIAXpress, prior to version […]