{"id":"CVE-2026-1228","state":"PUBLISHED","title":"Timeline Block <= 1.3.3 - Insecure Direct Object Reference to Authenticated (Author+) Private Timeline Exposure via Shortcode Attribute","description":"The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.3.3 via the tlgb_shortcode() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Author-level access and above, to disclose private timeline content via the id attribute supplied to the 'timeline_block' shortcode.","publishedAt":"2026-02-06T02:23:38.677Z","updatedAt":"2026-04-08T17:24:31.746Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["bplugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines)"],"affected":[{"vendor":"bplugins","product":"Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.3.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/cecebfd0-c2af-4150-8793-299cdbeaa7b9?source=cve","https://plugins.trac.wordpress.org/changeset/3446078/timeline-block-block"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/1xxx/CVE-2026-1228.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1228","state":"PUBLISHED","datePublished":"2026-02-06T02:23:38.677Z","dateUpdated":"2026-04-08T17:24:31.746Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-01-20T13:01:02.988Z"},"containers":{"cna":{"title":"Timeline Block <= 1.3.3 - Insecure Direct Object Reference to Authenticated (Author+) Private Timeline Exposure via Shortcode Attribute","descriptions":[{"lang":"en","value":"The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.3.3 via the tlgb_shortcode() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Author-level access and above, to disclose private timeline content via the id attribute supplied to the 'timeline_block' shortcode."}],"affected":[{"vendor":"bplugins","product":"Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.3.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/cecebfd0-c2af-4150-8793-299cdbeaa7b9?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3446078/timeline-block-block"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:24:31.746Z"},"credits":[{"lang":"en","type":"finder","value":"Kazuma Matsumoto"}],"timeline":[{"time":"2026-01-20T13:17:45.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-02-05T13:39:29.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-06T19:27:56.342985Z","id":"CVE-2026-1228","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":"2026-02-06T19:28:05.665Z"}}]}}}