{"id":"CVE-2018-19057","aliases":["EUVD-2018-0783","GHSA-wg85-p6j7-gp3w"],"status":"published","title":"SimpleMDE XSS Vulnerability","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00788,"percentile":0.56452,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2018-11-07T15:00:00Z","modified":"2026-10-20T10:47:58Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"simplemde","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.11.2"}]}]},{"source":"osv","ecosystem":"npm","package":"simplemde","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.11.2"}]}]}],"products":[{"vendor":"sparksuite","product":"simplemde"}],"references":[{"url":"https://github.com/sparksuite/simplemde-markdown-editor/issues/721","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19057","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wg85-p6j7-gp3w","tags":["advisory"]},{"url":"https://github.com/sparksuite/simplemde-markdown-editor","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-19057","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.","status":"published","published":"2018-11-07T15:00:00Z","modified":"2024-08-05T11:30:04.015Z","updated_at":"2026-11-02T14:35:03.288698Z"}],"euvd":[{"id":"EUVD-2018-0783","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.","status":"published","published":"2018-11-07T15:00:00Z","modified":"2024-08-05T11:30:04Z","updated_at":"2026-11-03T02:39:34.247095Z"}],"ghsa":[{"id":"GHSA-wg85-p6j7-gp3w","title":"SimpleMDE XSS Vulnerability","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with `[` and `(` characters, which is mishandled during construction of an `A` element.","status":"published","published":"2018-11-21T22:21:25Z","modified":"2023-09-07T00:08:32Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:02.632342Z"}],"nvd":[{"id":"CVE-2018-19057","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.","status":"published","published":"2018-11-07T15:29:00.297Z","modified":"2026-06-17T01:48:42.327Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/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":"2026-11-02T14:04:47.196456Z"}],"osv":[{"id":"CVE-2018-19057","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.","status":"published","published":"2018-11-07T15:29:00.297Z","modified":"2026-10-20T10:47:58.166642299Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"GHSA-wg85-p6j7-gp3w","title":"SimpleMDE XSS Vulnerability","description":"SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with `[` and `(` characters, which is mishandled during construction of an `A` element.","status":"published","published":"2018-11-21T22:21:25Z","modified":"2023-11-08T04:00:06.778Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:58.767335Z"}]}}