Introducing the URL validation bypass cheat sheet
URL validation bypasses are the root cause of numerous vulnerabilities including many instances of SSRF, CORS misconfiguration, and open redirection.
Aggregating 4919 articles from trusted cybersecurity sources
URL validation bypasses are the root cause of numerous vulnerabilities including many instances of SSRF, CORS misconfiguration, and open redirection.
Through the years, we have seen many attacks exploiting web caches to hijack sensitive information or store malicious payloads.
Some websites parse email addresses to extract the domain and infer which organisation the owner belongs to. This pattern makes email-address parser discrepa...
Websites are riddled with timing oracles eager to divulge their innermost secrets. It's time we started listening to them.
Imagine the CEO of a random company receives an email containing a PDF invoice file. In Safari and MacOS Preview, the total price displayed is £399.
We're delighted to announce three major research releases from PortSwigger Research will be published at both Black Hat USA and DEF CON 32.
The power of our XSS cheat sheet is we get fantastic contributions from the web security community and this update is no exception.
Most of the web already supports HTTPS: In fact, 93% of requests made by Firefox are already HTTPS. As a reminder, HTTP over TLS (HTTPS) fixes the security s...
When you open a HTTP request or response, what do you instinctively look for? Suspicious parameter names?
Signed web tokens are widely used for stateless authentication and authorization throughout the web.
At Mozilla, we believe in an open web that is safe to use. To that end, we improve and maintain the security of people using Firefox around the world.
Have you ever found an HTTP desync vulnerability that seemed impossible to exploit due to its complicated constraints?
Pro-Iran group Handala breached Cal Water via an exposed GPS tool, reaching billing data for 2M customers. 5GB leaked.
Attackers gained access to Novo Nordisk's internal IT systems, copying non-public data without authorization.
Maine has taken its public data breach reporting portal offline after fraudulent breach disclosures were published on the state's website, prompting a review...
Argentina's World Cup squad had their passport numbers leaked before a ball was kicked - not by hackers, but by someone who failed to redact a document prope...
About 7 million customers of the genetics testing company had their data stolen by hackers starting in April 2023, and many had their information posted on t...
The penalty is the largest ever issued by the commission for a personal data breach, surpassing the record 134.8 billion won ($88.
Security debt sounds like a tidy metaphor until the first breach turns it into a billing department with teeth. Technical debt behaves like clutter.
On April 27, Kyushu Electric Power Co. utilized an external storage device for data backups due to capacity constraints.
GitHub access sales, leaked repositories, and stolen API keys can all become supply-chain attack footholds. Flare explores how underground forums expose earl...
ShinyHunters exploited a critical Oracle PeopleSoft zero-day to breach over 100 organizations, mostly universities, before a patch was available. Mandiant an...
Danish pharmaceutical giant Novo Nordisk, the world's largest producer of insulin, disclosed a data breach affecting patient information from some clinical t...
The French government revealed that a recent breach of its Tchap encrypted messaging platform affects the accounts of over 73,000 employees in the French pub...