{"id":"CVE-2021-24288","aliases":["EUVD-2021-11202","GHSA-vrm9-x4ww-qpgw"],"status":"published","title":"AcyMailing \u003c 7.5.0 - Unauthenticated Open Redirect","description":"When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.","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":0.01939,"percentile":0.8028,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2021-05-17T16:48:52Z","modified":"2026-06-17T03:39:46Z","exploits":[{"source":"nuclei","id":"CVE-2021-24288","title":"WordPress AcyMailing \u003c7.5.0 - Open Redirect","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24288.yaml"}],"products":[{"vendor":"acymailing","product":"acymailing"},{"vendor":"acymailing","product":"newsletter via smtp, sendinblue, sendgrid, mailgun - acymailing smtp newsletter"}],"references":[{"url":"https://wpscan.com/vulnerability/56628862-1687-4862-9ed4-145d8dfbca97","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24288"},{"url":"https://github.com/advisories/GHSA-vrm9-x4ww-qpgw"}],"sources":{"cve":[{"id":"CVE-2021-24288","title":"AcyMailing \u003c 7.5.0 - Unauthenticated Open Redirect","description":"When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.","status":"published","published":"2021-05-17T16:48:52Z","modified":"2024-08-03T19:28:23.248Z","cwes":["CWE-601"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11202","description":"When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.","status":"published","published":"2021-05-17T16:48:52Z","modified":"2024-08-03T19:28:23Z","updated_at":"2026-11-03T03:24:58.504484Z"}],"ghsa":[{"id":"GHSA-vrm9-x4ww-qpgw","title":"When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the...","description":"When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.","status":"published","published":"2022-05-24T19:02:37Z","modified":"2023-01-29T05:06:42Z","cwes":["CWE-601"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-24288","description":"When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.","status":"published","published":"2021-05-17T17:15:08.08Z","modified":"2026-06-17T03:39:46.32Z","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":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}