{"id":"CVE-2026-11983","state":"PUBLISHED","title":"Ad Inserter <= 2.8.16 - Missing Authorization to Block Visibility Bypass via ai_ajax","description":"The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.8.16 due to a missing capability check in the `ai_ajax` function. This makes it possible for unauthenticated attackers to view the contents of ad blocks that an administrator has restricted to administrator-only visibility.","publishedAt":"2026-08-06T11:29:20.345Z","updatedAt":"2026-08-06T15:00:43.027Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["spacetime Ad Inserter – Ad Manager & AdSense Ads"],"affected":[{"vendor":"spacetime","product":"Ad Inserter – Ad Manager & AdSense Ads","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.8.16","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/b5715acd-62e6-4cd8-8fe8-4b1412f287c9?source=cve","https://plugins.trac.wordpress.org/changeset/3583409","https://plugins.trac.wordpress.org/changeset/3567905"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/11xxx/CVE-2026-11983.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-11983","state":"PUBLISHED","datePublished":"2026-08-06T11:29:20.345Z","dateUpdated":"2026-08-06T15:00:43.027Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-06-11T14:00:15.754Z"},"containers":{"cna":{"title":"Ad Inserter <= 2.8.16 - Missing Authorization to Block Visibility Bypass via ai_ajax","descriptions":[{"lang":"en","value":"The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.8.16 due to a missing capability check in the `ai_ajax` function. This makes it possible for unauthenticated attackers to view the contents of ad blocks that an administrator has restricted to administrator-only visibility."}],"affected":[{"vendor":"spacetime","product":"Ad Inserter – Ad Manager & AdSense Ads","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.8.16","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b5715acd-62e6-4cd8-8fe8-4b1412f287c9?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3583409"},{"url":"https://plugins.trac.wordpress.org/changeset/3567905"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"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":"2026-08-06T11:29:20.345Z"},"credits":[{"lang":"en","type":"finder","value":"AlexHenry"}],"timeline":[{"time":"2026-04-07T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2026-06-11T14:15:35.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-08-05T22:18:05.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T15:00:31.550654Z","id":"CVE-2026-11983","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T15:00:43.027Z"}}]}}}