{"id":"CVE-2021-24874","aliases":["EUVD-2021-11786","GHSA-2hcr-94vw-mxjh"],"status":"published","title":"Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue \u003c 3.1.31 - Reflected Cross-Site Scripting","description":"The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","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":"2026-11-10","score":0.008,"percentile":0.56915,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-02-14T09:20:36Z","modified":"2026-06-17T03:41:03Z","products":[{"vendor":"brevo","product":"newsletter, smtp, email marketing and subscribe forms by sendinblue"},{"vendor":"brevo","product":"newsletter\\,_smtp\\,_email_marketing_and_subscribe"},{"vendor":"unknown","product":"newsletter, smtp, email marketing and subscribe forms by sendinblue"}],"references":[{"url":"https://wpscan.com/vulnerability/28d34cc1-2294-4409-a60f-c8c441eb3f2d","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24874"},{"url":"https://github.com/advisories/GHSA-2hcr-94vw-mxjh"}],"sources":{"cve":[{"id":"CVE-2021-24874","title":"Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue \u003c 3.1.31 - Reflected Cross-Site Scripting","description":"The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-02-14T09:20:36Z","modified":"2024-08-03T19:49:14.383Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11786","description":"The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-02-14T09:20:36Z","modified":"2024-08-03T19:49:14Z","updated_at":"2026-11-03T03:24:55.415131Z"}],"ghsa":[{"id":"GHSA-2hcr-94vw-mxjh","title":"The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3...","description":"The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-02-15T00:02:50Z","modified":"2024-10-16T15:32:05Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:58:31.476115Z"}],"nvd":[{"id":"CVE-2021-24874","description":"The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-02-14T12:15:14.573Z","modified":"2026-06-17T03:41:03.623Z","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":"2026-11-02T14:07:04.6896Z"}]}}