{"id":"CVE-2023-5583","aliases":["EUVD-2023-57879","GHSA-c6fh-27x8-5p84"],"status":"published","title":"WP Simple Galleries \u003c= 1.34 - Authenticated (Contributor+) PHP Object Injection","description":"The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' post meta via 'wpsgallery' shortcode. This allows authenticated attackers, with contributor-level permissions 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":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01163,"percentile":0.67497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2023-10-30T13:48:45Z","modified":"2026-06-17T06:48:53Z","products":[{"vendor":"maca134","product":"wp simple galleries"},{"vendor":"maca134","product":"wp_simple_galleries"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/0dc8f7cf-d8be-4229-b823-3bd9bc9f6eda?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/wp-simple-galleries/tags/1.34/wp-simple-gallery.php#L250","tags":["x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5583"},{"url":"https://github.com/advisories/GHSA-c6fh-27x8-5p84"}],"sources":{"cve":[{"id":"CVE-2023-5583","title":"WP Simple Galleries \u003c= 1.34 - Authenticated (Contributor+) PHP Object Injection","description":"The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' post meta via 'wpsgallery' shortcode. This allows authenticated attackers, with contributor-level permissions 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":"2023-10-30T13:48:45.699Z","modified":"2026-04-08T16:35:20.142Z","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","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:35:17.149492Z"}],"euvd":[{"id":"EUVD-2023-57879","description":"The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' post meta via 'wpsgallery' shortcode. This allows authenticated attackers, with contributor-level permissions 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":"2023-10-30T13:48:45Z","modified":"2026-04-08T16:35:20Z","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"}],"updated_at":"2026-11-02T19:25:09.738388Z"}],"ghsa":[{"id":"GHSA-c6fh-27x8-5p84","title":"The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up...","description":"The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' post meta via 'wpsgallery' shortcode. This allows authenticated attackers, with contributor-level permissions 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":"2023-10-30T15:30:45Z","modified":"2023-11-13T15:30:22Z","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":"2026-11-02T14:55:00.129765Z"}],"nvd":[{"id":"CVE-2023-5583","description":"The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' post meta via 'wpsgallery' shortcode. This allows authenticated attackers, with contributor-level permissions 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":"2023-10-30T14:15:10.12Z","modified":"2026-06-17T06:48:53.37Z","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","assessor":"secondary"},{"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","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:08:40.004465Z"}]}}