{"id":"CVE-2026-1228","aliases":["EUVD-2026-5609","GHSA-cc7g-vfw3-m4mr"],"status":"published","title":"Timeline Block \u003c= 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 \u0026 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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00211,"percentile":0.11381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-02-06T02:23:38Z","modified":"2026-06-17T10:15:21Z","products":[{"vendor":"bplugins","product":"timeline block – beautiful timeline builder for wordpress (vertical \u0026 horizontal timelines)"}],"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"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1228"},{"url":"https://github.com/advisories/GHSA-cc7g-vfw3-m4mr"}],"sources":{"cve":[{"id":"CVE-2026-1228","title":"Timeline Block \u003c= 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 \u0026 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.","status":"published","published":"2026-02-06T02:23:38.677Z","modified":"2026-04-08T17:24:31.746Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:01.618694Z"}],"euvd":[{"id":"EUVD-2026-5609","description":"The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical \u0026 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.","status":"published","published":"2026-02-06T02:23:38Z","modified":"2026-04-08T17:24:31Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:39.649332Z"}],"ghsa":[{"id":"GHSA-cc7g-vfw3-m4mr","title":"The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical \u0026 Horizontal Timelines)...","description":"The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical \u0026 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.","status":"published","published":"2026-02-06T03:30:19Z","modified":"2026-02-06T03:30:27Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:06:04.731011Z"}],"nvd":[{"id":"CVE-2026-1228","description":"The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical \u0026 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.","status":"published","published":"2026-02-06T03:15:48.077Z","modified":"2026-06-17T10:15:21.717Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:05.149641Z"}]}}