{"id":"CVE-2026-11907","state":"PUBLISHED","title":"Stream <= 4.2.0 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Disclosure via Heartbeat API","description":"The Stream plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.2.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to access all Stream activity records via the Heartbeat API.","publishedAt":"2026-08-07T04:25:55.665Z","updatedAt":"2026-08-08T02:51:50.711Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["xwp Stream – Activity Log & Audit Trail"],"affected":[{"vendor":"xwp","product":"Stream – Activity Log & Audit Trail","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.2.0","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/b7c7e45a-581e-4cf0-83ac-cbca816701f1?source=cve","https://plugins.trac.wordpress.org/browser/stream/tags/4.2.1/classes/class-live-update.php#L186"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/11xxx/CVE-2026-11907.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-11907","state":"PUBLISHED","datePublished":"2026-08-07T04:25:55.665Z","dateUpdated":"2026-08-08T02:51:50.711Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-06-10T16:13:34.742Z"},"containers":{"cna":{"title":"Stream <= 4.2.0 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Disclosure via Heartbeat API","descriptions":[{"lang":"en","value":"The Stream plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.2.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to access all Stream activity records via the Heartbeat API."}],"affected":[{"vendor":"xwp","product":"Stream – Activity Log & Audit Trail","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.2.0","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b7c7e45a-581e-4cf0-83ac-cbca816701f1?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/stream/tags/4.2.1/classes/class-live-update.php#L186"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-08-07T04:25:55.665Z"},"credits":[{"lang":"en","type":"finder","value":"Yat"}],"timeline":[{"time":"2026-04-01T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2026-08-06T16:25:31.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-08T02:51:40.264203Z","id":"CVE-2026-11907","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-08T02:51:50.711Z"}}]}}}