{"id":"CVE-2021-4103","aliases":["EUVD-2022-0572","GHSA-cxm3-v4mv-6mh8"],"status":"published","title":"Cross-site Scripting (XSS) - Stored in vanessa219/vditor","description":"Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.","severity":{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00664,"percentile":0.52044,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2022-01-23T01:45:11Z","modified":"2026-10-20T10:53:55Z","fixes":[{"ecosystem":"npm","package":"vditor","fixed_in":["3.8.11"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"vditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.11"}]}]},{"source":"osv","ecosystem":"npm","package":"vditor","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.8.11"}]}]}],"products":[{"vendor":"b3log","product":"vditor"},{"vendor":"vanessa219","product":"vanessa219/vditor"}],"references":[{"url":"https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4103","tags":["advisory"]},{"url":"https://github.com/Vanessa219/vditor/issues/1133","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cxm3-v4mv-6mh8"},{"url":"https://github.com/vanessa219/vditor","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-4103","title":"Cross-site Scripting (XSS) - Stored in vanessa219/vditor","description":"Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.","status":"published","published":"2022-01-23T01:45:11Z","modified":"2024-08-03T17:16:04.162Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2022-0572","description":"Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.","status":"published","published":"2022-01-23T01:45:11Z","modified":"2024-08-03T17:16:04Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L","level":"medium"}],"updated_at":"2026-11-03T03:25:10.418596Z"}],"ghsa":[{"id":"GHSA-cxm3-v4mv-6mh8","title":"vditor Vulnerable to Cross-site Scripting in SVG events","description":"vditor does not filter user input in SVG events, leading to XSS \n\n### PoC\n\n```html\n\u003c/a\u003e\n\u003csvg\u003e\u003canimate onbegin=alert(11) attributeName=x dur=1s\u003e\n```","status":"published","published":"2022-01-28T22:04:11Z","modified":"2023-09-12T19:28:09Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:04.447845Z"}],"nvd":[{"id":"CVE-2021-4103","description":"Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.","status":"published","published":"2022-01-23T02:15:06.997Z","modified":"2026-06-17T04:19:02.41Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:03.821385Z"}],"osv":[{"id":"CVE-2021-4103","description":"Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.","status":"published","published":"2022-01-23T02:15:06.997Z","modified":"2026-10-20T10:53:55.888847361Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"GHSA-cxm3-v4mv-6mh8","title":"vditor Vulnerable to Cross-site Scripting in SVG events","description":"vditor does not filter user input in SVG events, leading to XSS \n\n### PoC\n\n```html\n\u003c/a\u003e\n\u003csvg\u003e\u003canimate onbegin=alert(11) attributeName=x dur=1s\u003e\n```","status":"published","published":"2022-01-28T22:04:11Z","modified":"2023-11-08T04:06:50.115961Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:45.639885Z"}]}}