{"id":"CVE-2026-16258","aliases":["EUVD-2026-54389","GHSA-m7vw-4232-p79x"],"status":"published","title":"Ajax Search Lite \u003c 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint","description":"The Ajax Search Lite  WordPress plugin before 4.14.5 does not prevent the deserialization of untrusted input, allowing unauthenticated attackers to perform PHP Object Injection. When a suitable POP chain is present via another installed Ajax Search Lite  WordPress plugin before 4.14.5 or , this can be leveraged to achieve Remote Code Execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00849,"percentile":0.58383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-07T06:00:13Z","modified":"2026-08-26T16:31:16Z","products":[{"vendor":"unknown","product":"ajax search lite"},{"vendor":"wpdreams","product":"ajax search lite"}],"references":[{"url":"https://wpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16258"},{"url":"https://wpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115"},{"url":"https://github.com/advisories/GHSA-m7vw-4232-p79x"}],"sources":{"cve":[{"id":"CVE-2026-16258","title":"Ajax Search Lite \u003c 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint","description":"The Ajax Search Lite  WordPress plugin before 4.14.5 does not prevent the deserialization of untrusted input, allowing unauthenticated attackers to perform PHP Object Injection. When a suitable POP chain is present via another installed Ajax Search Lite  WordPress plugin before 4.14.5 or , this can be leveraged to achieve Remote Code Execution.","status":"published","published":"2026-08-07T06:00:13.815Z","modified":"2026-08-07T18:15:46Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-54389","description":"The Ajax Search Lite  WordPress plugin before 4.14.5 does not prevent the deserialization of untrusted input, allowing unauthenticated attackers to perform PHP Object Injection. When a suitable POP chain is present via another installed Ajax Search Lite  WordPress plugin before 4.14.5 or , this can be leveraged to achieve Remote Code Execution.","status":"published","published":"2026-08-07T06:00:13Z","modified":"2026-08-07T18:15:46Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:06.573967Z"}],"ghsa":[{"id":"GHSA-m7vw-4232-p79x","title":"The Ajax Search Lite  WordPress plugin before 4.14.5 does not prevent the deserialization of...","description":"The Ajax Search Lite  WordPress plugin before 4.14.5 does not prevent the deserialization of untrusted input, allowing unauthenticated attackers to perform PHP Object Injection. When a suitable POP chain is present via another installed Ajax Search Lite  WordPress plugin before 4.14.5 or , this can be leveraged to achieve Remote Code Execution.","status":"published","published":"2026-08-07T06:30:28Z","modified":"2026-08-07T21:31:37Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:12.306859Z"}],"nvd":[{"id":"CVE-2026-16258","description":"The Ajax Search Lite  WordPress plugin before 4.14.5 does not prevent the deserialization of untrusted input, allowing unauthenticated attackers to perform PHP Object Injection. When a suitable POP chain is present via another installed Ajax Search Lite  WordPress plugin before 4.14.5 or , this can be leveraged to achieve Remote Code Execution.","status":"published","published":"2026-08-07T06:16:56.28Z","modified":"2026-08-26T16:31:16.753Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}