CVE-2018-1999024
MathJax version prior to version 2.7.4 contains a Cross Site Scripting (XSS) vulnerability in the unicode{} macro that can result in Potentially untrusted Javascript running within a web browser. This attack appear to be exploitable via The victim must view a page where untrusted content is processed using Mathjax. This vulnerability appears to have been fixed in 2.7.4 and later.
Date published : 2018-07-23
https://github.com/mathjax/MathJax/commit/a55da396c18cafb767a26aa9ad96f6f4199852f1
https://blog.bentkowski.info/2018/06/xss-in-google-colaboratory-csp-bypass.html