Yet another RCE with a CVSS score of 9.8 out of 10 was disclosed a few hours ago. This issue looks like the same Log4shell and it seems even more dangerous since Common Texts are used more broadly. The Apache Foundation published a vulnerability in the Apache Commons Text project code and published a message to this effect in the project’s mailing list on October 13th, an official date of birth of Text4Shell vulnerability. This…
Grammarly is the unicorn company that announced its open bug bounty program last September. Since that time, many security researchers posted their submissions and got paid well. Some of Grammarly’s issues are also useful for others. Like the recent XSS, that also bypasses an AWS WAF. The recent XSS report is a bit different among others. First of all, it was submitted by Frans Rosen, one of the top HackerOne hackers. He is the 6th…
Updated 6 July 2022: Wallarm launched – GoTestWAF: Free Online WAF tester – https://www.wallarm.com/gotestwaf/overview Updated 18 January 2023: added gRPC protocol detection and other features, more details in the article. Since 1991, Web Application Firewall, commonly referred to as WAF, has become one of the most common application security technologies available on the market. Since the last century, WAFs have evolved by incorporating the cloud and using Machine Learning instead of RegExp. Currently, few technologies,…
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