{"id":"CVE-2026-17520","aliases":["EUVD-2026-68045","GHSA-jf3w-mh76-5398"],"status":"published","title":"Newsletters \u003c 4.17 - Unauthenticated API Access via Predictable API Key","description":"The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00185,"percentile":0.08142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326"],"published":"2026-08-29T06:00:19Z","modified":"2026-08-31T20:14:36Z","products":[{"vendor":"tribulant software","product":"newsletters"},{"vendor":"unknown","product":"newsletters"}],"references":[{"url":"https://wpscan.com/vulnerability/5a719e6b-22e1-4950-bf17-cd92e2ea6685/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17520"},{"url":"https://wpscan.com/vulnerability/5a719e6b-22e1-4950-bf17-cd92e2ea6685"},{"url":"https://github.com/advisories/GHSA-jf3w-mh76-5398"}],"sources":{"cve":[{"id":"CVE-2026-17520","title":"Newsletters \u003c 4.17 - Unauthenticated API Access via Predictable API Key","description":"The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.","status":"published","published":"2026-08-29T06:00:19.539Z","modified":"2026-08-30T00:56:53.189Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:19:54.50686Z"}],"euvd":[{"id":"EUVD-2026-68045","description":"The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.","status":"published","published":"2026-08-29T06:00:19Z","modified":"2026-08-30T00:56:53Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:01:21.466916Z"}],"ghsa":[{"id":"GHSA-jf3w-mh76-5398","title":"The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently...","description":"The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.","status":"published","published":"2026-08-29T06:30:23Z","modified":"2026-08-30T03:32:22Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T15:11:10.168906Z"}],"nvd":[{"id":"CVE-2026-17520","description":"The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.","status":"published","published":"2026-08-29T06:17:12.177Z","modified":"2026-08-31T20:14:36.25Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:12:42.366888Z"}]}}