{"id":"CVE-2020-18748","aliases":["EUVD-2020-10665","GHSA-3ppf-x2gr-8g6c"],"status":"published","title":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via...","description":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00947,"percentile":0.61588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-19T16:00:00Z","modified":"2026-06-17T02:59:27Z","products":[{"vendor":"typora","product":"typora"}],"references":[{"url":"https://github.com/typora","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/typora/typora-issues/issues/2226","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18748"},{"url":"https://github.com/advisories/GHSA-3ppf-x2gr-8g6c"}],"sources":{"cve":[{"id":"CVE-2020-18748","description":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.","status":"published","published":"2021-08-19T16:00:00Z","modified":"2024-08-04T14:08:30.434Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10665","description":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.","status":"published","published":"2021-08-19T16:00:00Z","modified":"2024-08-04T14:08:30Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-3ppf-x2gr-8g6c","title":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via...","description":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.","status":"published","published":"2022-05-24T19:11:40Z","modified":"2023-01-30T05:01:34Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:26.483285Z"}],"nvd":[{"id":"CVE-2020-18748","description":"Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.","status":"published","published":"2021-08-19T16:15:12.077Z","modified":"2026-06-17T02:59:27.16Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:45.704484Z"}]}}