{"id":"CVE-2024-4838","aliases":["EUVD-2024-44420","GHSA-43c9-25jg-rxm4"],"status":"published","title":"ConvertPlus \u003c= 3.5.26 - Authenticated (Contributor+) PHP Object Injection","description":"The ConvertPlus plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.5.26 via deserialization of untrusted input from the 'settings_encoded' attribute of the 'smile_modal' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00594,"percentile":0.48692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2024-05-16T11:05:27Z","modified":"2026-06-17T08:03:01Z","products":[{"vendor":"brainstorm force","product":"convertplus"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/16f5a104-dce0-4249-91b9-67f99cce16d3?source=cve","tags":["x_transferred"]},{"url":"https://www.convertplug.com/plus/","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4838"},{"url":"https://www.convertplug.com/plus"},{"url":"https://github.com/advisories/GHSA-43c9-25jg-rxm4"}],"sources":{"cve":[{"id":"CVE-2024-4838","title":"ConvertPlus \u003c= 3.5.26 - Authenticated (Contributor+) PHP Object Injection","description":"The ConvertPlus plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.5.26 via deserialization of untrusted input from the 'settings_encoded' attribute of the 'smile_modal' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.","status":"published","published":"2024-05-16T11:05:27.037Z","modified":"2026-04-08T16:37:16.264Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:34:16.78507Z"}],"euvd":[{"id":"EUVD-2024-44420","description":"The ConvertPlus plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.5.26 via deserialization of untrusted input from the 'settings_encoded' attribute of the 'smile_modal' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.","status":"published","published":"2024-05-16T11:05:27Z","modified":"2026-04-08T16:37:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:08.354188Z"}],"ghsa":[{"id":"GHSA-43c9-25jg-rxm4","title":"The ConvertPlus plugin for WordPress is vulnerable to PHP Object Injection in all versions up to,...","description":"The ConvertPlus plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.5.26 via deserialization of untrusted input from the 'settings_encoded' attribute of the 'smile_modal' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.","status":"published","published":"2024-05-16T12:30:22Z","modified":"2026-04-08T18:34:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:07:16.84454Z"}],"nvd":[{"id":"CVE-2024-4838","description":"The ConvertPlus plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.5.26 via deserialization of untrusted input from the 'settings_encoded' attribute of the 'smile_modal' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.","status":"published","published":"2024-05-16T11:15:49.343Z","modified":"2026-06-17T08:03:01.297Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:09:59.094954Z"}]}}