{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91831","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","state":"PUBLISHED","assignerShortName":"WPScan","dateReserved":"2026-09-15T08:14:21.129Z","datePublished":"2026-10-19T06:46:17.280Z","dateUpdated":"2026-10-19T09:31:21.214Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan","dateUpdated":"2026-10-19T06:46:17.280Z"},"title":"Subscribe to Comments 2.3 - 2.3.2 - Author+ Email Header Injection via From Name Setting","problemTypes":[{"descriptions":[{"description":"CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}]}],"affected":[{"vendor":"Unknown","product":"Subscribe to Comments","collectionURL":"https://wordpress.org/plugins","defaultStatus":"unaffected","versions":[{"version":"2.3","status":"affected","versionType":"semver","lessThan":"2.3.3"}]}],"descriptions":[{"lang":"en","value":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the sender."}],"references":[{"url":"https://wpscan.com/vulnerability/6cd60f78-f5e2-4b4a-8d50-7d2bc4f981ee/","tags":["exploit","vdb-entry","technical-description"]}],"credits":[{"lang":"en","value":"Het Kalariya","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","baseScore":3.8,"baseSeverity":"LOW"}}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-91831","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-19T09:25:57.636205Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-93","description":"CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-19T09:31:21.214Z"}}]}}