Record-Breaking 100 Million RPS DDoS Attack Exploits HTTP/2 Rapid Reset Flaw

Cloudflare on Thursday said it mitigated thousands of hyper-volumetric HTTP distributed denial-of-service DDoS attacks that exploited a recently disclosed flaw called HTTP/2 Rapid Reset, 89 of which exceeded 100 million requests per second RPS. "The campaign contributed to an overall increase of...

GHSA-C59H-R6P8-Q9WC Next.js missing cache-control header may lead to CDN caching empty reply

Next.js before 13.4.20-canary.13 lacks a cache-control header and thus empty prefetch responses may sometimes be cached by a CDN, causing a denial of service to all users requesting the same URL via that CDN. Cloudflare considers these requests cacheable assets...

Next.js missing cache-control header may lead to CDN caching empty reply

Next.js before 13.4.20-canary.13 lacks a cache-control header and thus empty prefetch responses may sometimes be cached by a CDN, causing a denial of service to all users requesting the same URL via that CDN. Cloudflare considers these requests cacheable assets...

Okta's Support System Breach Exposes Customer Data to Unidentified Threat Actors

Identity services provider Okta on Friday disclosed a new security incident that allowed unidentified threat actors to leverage stolen credentials to access its support case management system. "The threat actor was able to view files uploaded by certain Okta customers as part of recent support...

CVE-2023-40180

silverstripe-graphql is a package which serves Silverstripe data in GraphQL representations. An attacker could use a recursive graphql query to execute a Distributed Denial of Service attack DDOS attack against a website. This mostly affects websites with publicly exposed graphql schemas. If your...

What to know about the HTTP/2 Rapid Reset DDoS attacks

Cisco Talos is actively tracking the novel distributed denial-of-service DDoS attacks cloud services provider Cloudflare disclosed earlier this week. The techniques described in Cloudflares blog post resulted in a record-breaking DDoS attack and could facilitate much larger attacks in the future...

Google, Cloudflare, and AWS Disclose Largest DDoS Attack in History

By Deeba Ahmed Google, Cloudflare, and AWS Disclosed Digital History’s Largest Ever DDoS Attack- Courtesy HTTP/2 Zero-day. This is a post from HackRead.com Read the original post: Google, Cloudflare, and AWS Disclose Largest DDoS Attack in History...

CVE-2023-44487 HTTP/2 Rapid Reset Attack

Today, Amazon Web Services, Cloudflare, and Google, in a coordinated announcement, reveal their experiences mitigating powerful HTTP/2-based DDoS attacks utilizing a zero-day technique referred to as Rapid Reset, documented under the vulnerability identifier CVE-2023-44487. The attack magnitudes...

HTTP/2 Rapid Reset Zero-Day Vulnerability Exploited to Launch Record DDoS Attacks

Amazon Web Services AWS, Cloudflare, and Google on Tuesday said they took steps to mitigate record-breaking distributed denial-of-service DDoS attacks that relied on a novel technique called HTTP/2 Rapid Reset. The layer 7 attacks were detected in late August 2023, the companies said in a...

CVE-2023-43805 Nexkey allows users to bypass authentication of Bull dashboard

Nexkey is a fork of Misskey, an open source, decentralized social media platform. Prior to version 12.121.9, incomplete URL validation can allow users to bypass authentication for access to the job queue dashboard. Version 12.121.9 contains a fix for this issue. As a workaround, it may be possibl...

CVE-2023-43805 Nexkey allows users to bypass authentication of Bull dashboard

Nexkey is a fork of Misskey, an open source, decentralized social media platform. Prior to version 12.121.9, incomplete URL validation can allow users to bypass authentication for access to the job queue dashboard. Version 12.121.9 contains a fix for this issue. As a workaround, it may be possibl...

CVE-2023-43805

Nexkey (Misskey fork) pre-12.121.9 is vulnerable due to incomplete URL validation, allowing bypass of authentication for access to the job queue dashboard. The issue is fixed in version 12.121.9. As a workaround, operators have used access-blocking measures (e.g., WAF rules like Cloudflare) to mi...

Researcher Reveals New Techniques to Bypass Cloudflare's Firewall and DDoS Protection

Firewall and distributed denial-of-service DDoS attack prevention mechanisms in Cloudflare can be circumvented by exploiting gaps in cross-tenant security controls, defeating the very purpose of these safeguards, it has emerged. "Attackers can utilize their own Cloudflare accounts to abuse the...

CVE-2023-5135

The Simple Cloudflare Turnstile plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gravity-simple-turnstile' shortcode in versions up to, and including, 1.23.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for...

Cross site scripting

The Simple Cloudflare Turnstile plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gravity-simple-turnstile' shortcode in versions up to, and including, 1.23.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for...

SSRF vulnerability in the vrite

Description This vulnerability can be used to leak remote server information, bypass CDN like cloudflare. Also it can be used to the SSRF attack. Proof of Concept Here we can use it to leak the real IP of the https://app.vrite.io. GET /proxy?url=https://your-vps-ip.nip.io/ HTTP/2 Host: app.vrite....

WordPress plugin Simple Cloudflare Turnstile Cross-Site Scripting Vulnerability

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. The platform supports personal blog sites on servers running PHP and MySQL.WordPress plugin is an application plugin. A cross-site scripting vulnerabilit...

CVE-2023-5135

CVE-2023-5135 concerns the WordPress plugin “Simple Cloudflare Turnstile.” A stored XSS flaw exists in versions up to and including 1.23.1 due to insufficient input sanitization and output escaping on user-supplied attributes in the gravity-simple-turnstile shortcode. Exploitation requires an aut...

CVE-2023-5135 Simple Cloudflare Turnstile <= 1.23.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

The Simple Cloudflare Turnstile plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gravity-simple-turnstile' shortcode in versions up to, and including, 1.23.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for...

WordPress Simple Cloudflare Turnstile Plugin <= 1.23.1 is vulnerable to Cross Site Scripting (XSS)

Software Simple Cloudflare Turnstile Type Plugin Vulnerable versions = 1.23.1 Fixed in 1.23.2 OWASP Top 10 A7: Cross-Site Scripting XSS Classification Cross Site Scripting XSS CVE CVE-2023-5135 Patch priority Low CVSS severity Low 6.5 Developer RelyWP PSID 89023cff61f7 Credits Lana Codes Required...