{"id":"CVE-2026-15931","state":"PUBLISHED","title":"Simple Membership < 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.","publishedAt":"2026-08-03T06:00:13.051Z","updatedAt":"2026-08-03T17:06:38.008Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Simple Membership"],"affected":[{"vendor":"Unknown","product":"Simple Membership","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.7.8","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/30779ecc-779c-4e7c-9e8b-278ddf343214/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15931.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15931","state":"PUBLISHED","datePublished":"2026-08-03T06:00:13.051Z","dateUpdated":"2026-08-03T17:06:38.008Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-16T07:28:24.341Z"},"containers":{"cna":{"title":"Simple Membership < 4.7.8 - Unauthenticated Stored XSS via PayPal Subscription Subscriber Name","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Unknown","product":"Simple Membership","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.7.8","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/30779ecc-779c-4e7c-9e8b-278ddf343214/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-03T06:00:13.051Z"},"credits":[{"lang":"en","value":"Yaswanth Reddy Sunkara","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.1,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-03T17:06:13.133023Z","id":"CVE-2026-15931","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-03T17:06:38.008Z"}}]}}}