{"id":"CVE-2026-16268","state":"PUBLISHED","title":"Newsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce Handler","description":"The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.","publishedAt":"2026-08-06T06:00:09.742Z","updatedAt":"2026-08-06T14:08:39.333Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Newsletters"],"affected":[{"vendor":"Unknown","product":"Newsletters","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.16","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/65612dd4-83d8-40c5-8e12-862e9b5f940b/"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16268.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16268","state":"PUBLISHED","datePublished":"2026-08-06T06:00:09.742Z","dateUpdated":"2026-08-06T14:08:39.333Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-20T09:09:39.417Z"},"containers":{"cna":{"title":"Newsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce Handler","descriptions":[{"lang":"en","value":"The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts."}],"affected":[{"vendor":"Unknown","product":"Newsletters","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.16","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/65612dd4-83d8-40c5-8e12-862e9b5f940b/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-06T06:00:09.742Z"},"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":"UNCHANGED","version":"3.1","baseScore":8.2,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T14:08:16.293996Z","id":"CVE-2026-16268","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","type":"CWE","lang":"en","description":"CWE-918 Server-Side Request Forgery (SSRF)"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T14:08:39.333Z"}}]}}}