{"id":"CVE-2018-1999024","aliases":["GHSA-3c48-6pcv-88rm"],"url":"https://o3.security/vulnerability/CVE-2018-1999024","summary":"Macro in MathJax running untrusted Javascript within a web browser","details":"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.","published":"2018-07-23T16:29:00.320Z","modified":"2026-07-08T20:14:44.170144Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"mathjax","fixedVersion":"2.7.4"}],"fix":{"url":"https://github.com/mathjax/MathJax/commit/a55da396c18cafb767a26aa9ad96f6f4199852f1","label":"mathjax/MathJax@a55da39"},"references":[{"type":"FIX","url":"https://github.com/mathjax/MathJax/commit/a55da396c18cafb767a26aa9ad96f6f4199852f1"},{"type":"EVIDENCE","url":"https://blog.bentkowski.info/2018/06/xss-in-google-colaboratory-csp-bypass.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:14:44.170144Z"}}