{"id":"CVE-2021-32696","aliases":["EUVD-2021-1388","GHSA-qxg5-2qff-p49r"],"status":"published","title":"Passing in a non-string 'html' argument can lead to unsanitized output","description":"The npm package \"striptags\" is an implementation of PHP's strip_tags in Typescript. In striptags before version 3.2.0, a type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function. This can lead to a XSS.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01079,"percentile":0.65357,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-241","CWE-79","CWE-843"],"published":"2021-06-18T19:31:35Z","modified":"2026-10-20T10:54:42Z","fixes":[{"ecosystem":"npm","package":"striptags","fixed_in":["3.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"striptags","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0"}]}]},{"source":"osv","ecosystem":"npm","package":"striptags","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.2.0"}]}]}],"products":[{"vendor":"ericnorris","product":"striptags"},{"vendor":"striptags_project","product":"striptags"}],"references":[{"url":"https://github.com/ericnorris/striptags/security/advisories/GHSA-qxg5-2qff-p49r","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/ericnorris/striptags/commit/f252a6b0819499cd65403707ebaf5cc925f2faca","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/ericnorris/striptags/releases/tag/v3.2.0","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://www.npmjs.com/package/striptags","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32696","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qxg5-2qff-p49r"}],"sources":{"cve":[{"id":"CVE-2021-32696","title":"Passing in a non-string 'html' argument can lead to unsanitized output","description":"The npm package \"striptags\" is an implementation of PHP's strip_tags in Typescript. In striptags before version 3.2.0, a type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function. This can lead to a XSS.","status":"published","published":"2021-06-18T19:35:13Z","modified":"2024-08-03T23:25:31.066Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-241","CWE-79"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-1388","description":"The npm package \"striptags\" is an implementation of PHP's strip_tags in Typescript. In striptags before version 3.2.0, a type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function. This can lead to a XSS.","status":"published","published":"2021-06-18T19:35:13Z","modified":"2024-08-03T23:25:31Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T03:24:36.41075Z"}],"ghsa":[{"id":"GHSA-qxg5-2qff-p49r","title":"Passing in a non-string 'html' argument can lead to unsanitized output","description":"A type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function.\n\n### Impact\n\nXSS\n\n### Patches\n\n`3.2.0`\n\n### Workarounds\n\nEnsure that the `html` parameter is a string before calling the function.\n","status":"published","published":"2021-06-18T19:31:35Z","modified":"2023-02-01T05:05:59Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-79","CWE-241","CWE-843"],"updated_at":"2026-11-02T14:36:36.66596Z"}],"nvd":[{"id":"CVE-2021-32696","description":"The npm package \"striptags\" is an implementation of PHP's strip_tags in Typescript. In striptags before version 3.2.0, a type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function. This can lead to a XSS.","status":"published","published":"2021-06-18T20:15:07.633Z","modified":"2026-06-17T03:53:26.75Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79","CWE-241","CWE-843"],"updated_at":"2026-11-02T14:06:54.892562Z"}],"osv":[{"id":"CVE-2021-32696","description":"The npm package \"striptags\" is an implementation of PHP's strip_tags in Typescript. In striptags before version 3.2.0, a type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function. This can lead to a XSS.","status":"published","published":"2021-06-18T20:15:07.633Z","modified":"2026-10-20T10:54:42.819912839Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"GHSA-qxg5-2qff-p49r","title":"Passing in a non-string 'html' argument can lead to unsanitized output","description":"A type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function.\n\n### Impact\n\nXSS\n\n### Patches\n\n`3.2.0`\n\n### Workarounds\n\nEnsure that the `html` parameter is a string before calling the function.\n","status":"published","published":"2021-06-18T19:31:35Z","modified":"2026-07-08T06:28:10.431952416Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-241","CWE-79","CWE-843"],"updated_at":"2026-11-02T15:46:55.122811Z"}]}}