The vBulletin team just released a security patch for vBulletin 5.0.4, 5.0.5, 5.1.0, 5.1.1, and 5.1.2 to address a SQL injection vulnerability on the member list page. Every vBulletin user needs to upgrade to the latest version asap. vBulletin is a very popular forum sofware used on more than 100,000 web sites. Directly from vBulletin.com: […]
Archive | Security
RSS feed for this sectionDisclosure: Insecure Nonce Generation in WPTouch
If you use the popular WPTouch plugin (5m+ downloads) on your WordPress website, you should update it immediately. During a routine audit for our WAF, we discovered a very dangerous vulnerability that could potentially allow a user with no administrative privileges, who was logged in (like a subscriber or an author), to upload PHP files […]
Introducing CFSSL – CloudFlare’s PKI toolkit
Today we’re proud to introduce CFSSL—our open source toolkit for everything TLS/SSL. CFSSL is used internally by CloudFlare for bundling TLS/SSL certificates chains, and for our internal Certificate Authority infrastructure. We use this tool for all our TLS certificates. Creating a certificate bundle is a common pain point for website operators, and doing it right […]
Website Malware – Mobile Redirect to BaDoink Porn App
A few weeks ago we reported that we were seeing a huge increase in the number of web sites compromised with a hidden redirection to pornographic content. It was a very tricky injection, with the redirection happening only once per day per IP address and only if the visitor was using a mobile device (IPhone, […]
Simplifying the language of website security
A couple of weeks ago, the Sucuri team was at HostingCon. We rubbed elbows with the people who bring your websites to the world and spoke at length with them about the importance of website security. However, the most interesting conversation we had over the whole week was with a small business owner on vacation […]
Parabéns, Brasil! CloudFlare’s 27th Data Center Now Live
“Chile may have scored a CloudFlare data center first, but at least we’re still in the Cup” Brazil is home to not only the most successful national football team in history (Pentacampeão), but also to the most technologically advanced World Cup ever hosted. From vanishing foam and goal-line technology, to the biological passport and the […]
Ask Sucuri: Who is logging into my WordPress site?
Today, we’re going to revisit our Q&A series. If you have any questions about malware, blacklisting, or security in general, send them to us at: [email protected]. For all the “Ask Sucuri” answers, go here. Question: How do I know who is logging into my WordPress site? Answer: One of the most basic and important security […]
Making code better with reviews
In the past we’ve written about how CloudFlare isn’t afraid to rip out and replace chunks of code that have proved to be hard to maintain or have simply reach end of life. For example, we wrote a brand new DNS server and replaced our old DNS infrastructure with it. Doing so was greatly helped […]
Remote File Upload Vulnerability in WordPress MailPoet Plugin (wysija-newsletters)
Marc-Alexandre Montpas, from our research team, found a serious security vulnerability in the MailPoet WordPress plugin. This bug allows an attacker to upload any file remotely to the vulnerable website (i.e., no authentication is required). This is a serious vulnerability, The MailPoet plugin (wysija-newsletters) is a very popular WordPress plugin (over 1,700,000 downloads). This vulnerability […]
TimThumb WebShot Code Execution Exploit (0-day)
If you are still using Timthumb after the serious vulnerability that was found on it last year, you have one more reason to be concerned. A new 0-day was just disclosed on TimThumb’s “Webshot” feature that allows for certain commands to be executed on the vulnerable website remotely (no authentication required). With a simple command, […]
