MathJax versions 2.7.2 and earlier contain a stored XSS risk. The MathJax URL has been updated to reference a newer version, which has the vulnerability patched.
| Severity/Risk: | Serious |
| Versions affected: | 3.8 to 3.8.2, 3.7 to 3.7.5, 3.6 to 3.6.9, 3.5 to 3.5.11 and earlier unsupported versions |
| Versions fixed: | 3.8.3, 3.7.6, 3.6.10 and 3.5.12 |
| Reported by: | Abdullah Hussam |
| Workaround: | Manually update the MathJax URL in site administration to reference the patched version (https://cdn.jsdelivr.net/npm/mathjax@2.7.8/MathJax.js) |
| CVE identifier: | CVE-2018-1999024 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-68430 |
| Tracker issue: | MDL-68430 MathJax URL upgraded to later version to remove XSS risk (upstream) |