{"id":"CVE-2020-18221","aliases":["EUVD-2020-10148","GHSA-2qh5-69gm-xwrw"],"status":"published","title":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute...","description":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula.","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":"2026-11-09","score":0.01182,"percentile":0.67967,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-26T14:50:52Z","modified":"2026-06-17T02:59:14Z","products":[{"vendor":"typora","product":"typora"}],"references":[{"url":"https://github.com/typora/typora-issues/issues/2204","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18221"},{"url":"https://github.com/advisories/GHSA-2qh5-69gm-xwrw"}],"sources":{"cve":[{"id":"CVE-2020-18221","description":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula.","status":"published","published":"2021-05-26T14:50:52Z","modified":"2024-08-04T14:00:49.123Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10148","description":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula.","status":"published","published":"2021-05-26T14:50:52Z","modified":"2024-08-04T14:00:49Z","updated_at":"2026-11-03T03:07:26.951665Z"}],"ghsa":[{"id":"GHSA-2qh5-69gm-xwrw","title":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute...","description":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula.","status":"published","published":"2022-05-24T19:03:21Z","modified":"2023-01-29T05:06:48Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:05.929333Z"}],"nvd":[{"id":"CVE-2020-18221","description":"Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula.","status":"published","published":"2021-05-26T15:15:07.857Z","modified":"2026-06-17T02:59:14.23Z","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":"2026-11-02T14:06:43.288951Z"}]}}