{"id":"CVE-2021-21418","aliases":["EUVD-2021-0883","GHSA-vwfx-hh3w-fj99"],"status":"published","title":"Potential XSS injection in the newsletter conditions field","description":"ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00786,"percentile":0.56605,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-03-31T17:35:15Z","modified":"2026-10-20T10:54:29Z","fixes":[{"ecosystem":"Packagist","package":"prestashop/ps_emailsubscription","fixed_in":["2.6.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"prestashop/ps_emailsubscription","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"prestashop/ps_emailsubscription","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1"}]}],"versions":["v1.0.1","v1.1.0","v1.1.1","v1.1.2","v1.1.6","v2.1.0","v2.2.0","v2.3.0","v2.5.0","v2.6.0"]}],"products":[{"vendor":"prestashop","product":"ps_emailsubscription"}],"references":[{"url":"https://github.com/PrestaShop/ps_emailsubscription/security/advisories/GHSA-vwfx-hh3w-fj99","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/PrestaShop/ps_emailsubscription/commit/664ffb225e2afb4a32640bbedad667dc6e660b70","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/PrestaShop/ps_emailsubscription/releases/tag/v2.6.1","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://packagist.org/packages/prestashop/ps_emailsubscription","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21418","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vwfx-hh3w-fj99"}],"sources":{"cve":[{"id":"CVE-2021-21418","title":"Potential XSS injection in the newsletter conditions field","description":"ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1","status":"published","published":"2021-03-31T17:35:15Z","modified":"2024-08-03T18:09:16.081Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-0883","description":"ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1","status":"published","published":"2021-03-31T17:35:15Z","modified":"2024-08-03T18:09:16Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:25:06.347262Z"}],"ghsa":[{"id":"GHSA-vwfx-hh3w-fj99","title":"Potential XSS injection in the newsletter conditions field","description":"### Impact\nAn employee can inject javascript in the newsletter condition field that will then be executed on the front office\n\n### Patches\nThe issue has been fixed in 2.6.1","status":"published","published":"2021-04-06T17:24:14Z","modified":"2023-02-01T05:05:21Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:33.613868Z"}],"nvd":[{"id":"CVE-2021-21418","description":"ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1","status":"published","published":"2021-03-31T18:15:14.503Z","modified":"2026-06-17T03:35:32.217Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"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":"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":"2026-11-02T14:06:51.197859Z"}],"osv":[{"id":"CVE-2021-21418","description":"ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1","status":"published","published":"2021-03-31T18:15:14.503Z","modified":"2026-10-20T10:54:29.085597488Z","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":"2026-11-02T15:44:18.004149Z"},{"id":"GHSA-vwfx-hh3w-fj99","title":"Potential XSS injection in the newsletter conditions field","description":"### Impact\nAn employee can inject javascript in the newsletter condition field that will then be executed on the front office\n\n### Patches\nThe issue has been fixed in 2.6.1","status":"published","published":"2021-04-06T17:24:14Z","modified":"2026-07-08T06:27:33.161549592Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:57.694388Z"}]}}