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
Published Jul 23, 2018
5.4
MEDIUMCVSS 3.0
EPSS 1.25%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.25% (0.01254) | 68.39th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.25% (0.01254) | 68.14th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00093) | 40.11th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.09% (0.00093) | 38.95th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.09% (0.00090) | 36.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.08% (0.00081) | 32.90th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.10% (0.00104) | 41.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00076) | 30.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.66% (0.00663) | 18.75th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
References (4)
- https://blog.bentkowski.info/2018/06/xss-in-google-colaboratory-csp-bypass.html x_refsource_MISCExploitThird Party Advisory
- https://github.com/advisories/GHSA-3c48-6pcv-88rm Advisory
- https://github.com/mathjax/MathJax/commit/a55da396c18cafb767a26aa9ad96f6f4199852f1 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-1999024
| Link | Providers | Tags |
|---|---|---|
| https://blog.bentkowski.info/2018/06/xss-in-google-colaboratory-csp-bypass.html | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/advisories/GHSA-3c48-6pcv-88rm | Advisory | |
| https://github.com/mathjax/MathJax/commit/a55da396c18cafb767a26aa9ad96f6f4199852f1 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-1999024 |
Change history (0)
No recorded changes yet.