{"id":"CVE-2026-15931","aliases":["EUVD-2026-52176","GHSA-cc2x-fmqx-2g5v"],"status":"published","title":"Simple Membership \u003c 4.7.8 - Unauthenticated Stored XSS via PayPal Subscription Subscriber Name","description":"The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.","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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00275,"percentile":0.20117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-03T06:00:13Z","modified":"2026-08-26T16:31:36Z","products":[{"vendor":"unknown","product":"simple membership"},{"vendor":"wpinsider-1","product":"simple membership"}],"references":[{"url":"https://wpscan.com/vulnerability/30779ecc-779c-4e7c-9e8b-278ddf343214/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15931"},{"url":"https://wpscan.com/vulnerability/30779ecc-779c-4e7c-9e8b-278ddf343214"},{"url":"https://github.com/advisories/GHSA-cc2x-fmqx-2g5v"}],"sources":{"cve":[{"id":"CVE-2026-15931","title":"Simple Membership \u003c 4.7.8 - Unauthenticated Stored XSS via PayPal Subscription Subscriber Name","description":"The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.","status":"published","published":"2026-08-03T06:00:13.051Z","modified":"2026-08-03T17:06:38.008Z","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":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-52176","description":"The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.","status":"published","published":"2026-08-03T06:00:13Z","modified":"2026-08-03T17:06:38Z","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"}],"updated_at":"2026-11-02T18:02:24.01774Z"}],"ghsa":[{"id":"GHSA-cc2x-fmqx-2g5v","title":"The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value...","description":"The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.","status":"published","published":"2026-08-03T09:32:36Z","modified":"2026-08-03T18:31:50Z","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":"2026-11-02T15:10:02.88062Z"}],"nvd":[{"id":"CVE-2026-15931","description":"The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.","status":"published","published":"2026-08-03T07:16:40.42Z","modified":"2026-08-26T16:31:36.75Z","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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:34.290716Z"}]}}