Gcore Thwarts Massive 650 Gbps DDoS Attack on Free Plan Client

At the beginning of January, Gcore faced an incident involving several L3/L4 DDoS attacks with a peak volume of 650 Gbps. Attackers exploited over 2000 servers belonging to one of the top three cloud providers worldwide and targeted a client who was using a free CDN plan. However, due to Gcore's...

KillNet hits healthcare sector with DDoS attacks

At the end of January, the Health Sector Cybersecurity Coordination Center warned that the KillNet group is actively targeting the US healthcare sector with distributed denial-of-service DDoS attacks. The Cybersecurity and Infrastructure Security Agency CISA says it helped dozens of hospitals...

Content Delivery Network (CDN) FAQs

By Owais Sultan What is a CDN? How can businesses benefit from a CDN? and What to look for in a CDN provider? This is a post from HackRead.com Read the original post: Content Delivery Network CDN FAQs...

Malicious Package

Overview ty-cdn is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this package was...

CVE-2022-4119 Image Optimizer, Resizer and CDN < 6.8.1 - Admin+ Stored XSS

The Image Optimizer, Resizer and CDN WordPress plugin before 6.8.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite...

CVE-2022-4119

The CVE-2022-4119 entry concerns the WordPress plugin Image Optimizer, Resizer and CDN, prior to version 6.8.1. The vulnerability arises because the plugin does not adequately sanitize and escape certain settings, enabling Stored XSS by high-privilege users (such as admins) even when unfiltered_h...

CVE-2022-4119: Undefined Security Weakness

The Image Optimizer, Resizer and CDN WordPress plugin before 6.8.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite...

Image Optimizer, Resizer and CDN < 6.8.1 - Admin+ Stored XSS

The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite setup. PoC Step 1: Install the plugin and register for a...

FlyingPress < 3.9.7 - Arbitrary Settings Update to Stored XSS

The plugin does not have authorisation in various AJAX actions, allowing any authenticated users, such as subscribers to call them. One of those actions could allow them to rewrite static files URL JS, CSS etc to a malicious CDN under their control, which could lead to XSS...

Russian Hacktivist Group Targets Political Websites with DDOS Attacks

A Russian hacktivist group calling itself “The People’s Cyberarmy” called on its members to target the American Democratic party website at with DDOS Distributed Denial of Service attacks this morning, November 8th, 2022, which is Election Day in the United States. A post in their Telegram channe...

CDN Meets GDN: Akamai Partners with Macrometa

The web needs a CDN; the cloud needs a GDN. What does that mean and why is it important for developers?...

Batched HTTP requests may set incorrect `cache-control` response header

Impact In Apollo Server 3 and 4, the cache-control HTTP response header may not reflect the cache policy that should apply to an HTTP request when that HTTP request contains multiple operations using HTTP batching. This could lead to data being inappropriately cached and shared. Apollo Server...

Malicious code in ty-cdn (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 784390cf1bc659f4f980b268ff17be5d92f44e092c6ca8da941fbce47759b45d Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2022-6712 Malicious code in ty-cdn (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 784390cf1bc659f4f980b268ff17be5d92f44e092c6ca8da941fbce47759b45d Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Why a Resilient Content Delivery Network (CDN) is Key to Website Performance

Today’s online users have built-up certain standards of quality when visiting a website. They expect a high performance website with fast page load times and easily accessible, fresh and dynamic content. They also expect to enjoy a seamless and secure experience without downtime or limitations to...

@netlify/ipx vulnerable to Full Response SSRF and Stored XSS via Cache Poisoning and Improper Host Validation

Impact By sending specially crafted headers an attacker can bypass the source image domain allowlist, causing the handler to load and return arbitrary images. Because the response is cached globally, this image will then be served to visitors without requiring those headers to be set. XSS can be...

GHSA-9JJV-524M-JM98 @netlify/ipx vulnerable to Full Response SSRF and Stored XSS via Cache Poisoning and Improper Host Validation

Impact By sending specially crafted headers an attacker can bypass the source image domain allowlist, causing the handler to load and return arbitrary images. Because the response is cached globally, this image will then be served to visitors without requiring those headers to be set. XSS can be...

Shopify: DoS Vulnerability via Cache Poisoning on cdn.shopify.com and shopify-assets.shopifycdn.com

There was a web cache poisoning vulnerability on Shopify's CDN domains that allowed an attacker to block access to any file hosted on the website. The vulnerability existed because the cache server treated backslashes and forward slashes as equivalent, while the origin server returned 404 errors...

In the Fight Against DDoS Attacks, not all PoPs are Created Equal

A distributed denial of service DDoS attack is a malicious attempt to make an online service unavailable to users, usually by temporarily interrupting or suspending the services of its hosting server. A DDoS attack is launched from numerous compromised devices, often distributed globally in what ...

Malicious Package

Overview rbxtools is a malicious package. This is one of 12 malicious packages created by the same actor and discovered by Snyk. It downloads and executes malicious exe files containing malicious code that attempts to steal information from Google Chrome, tokens from Discord, and Injects a Discor...