{ "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" } } ] } }