{"id":"CVE-2026-16258","state":"PUBLISHED","title":"Ajax Search Lite < 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.","publishedAt":"2026-08-07T06:00:13.815Z","updatedAt":"2026-08-07T18:15:46.000Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Ajax Search Lite"],"affected":[{"vendor":"Unknown","product":"Ajax Search Lite","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.14.5","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115/"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16258.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16258","state":"PUBLISHED","datePublished":"2026-08-07T06:00:13.815Z","dateUpdated":"2026-08-07T18:15:46.000Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-20T08:27:28.711Z"},"containers":{"cna":{"title":"Ajax Search Lite < 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Unknown","product":"Ajax Search Lite","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.14.5","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-07T06:00:13.815Z"},"credits":[{"lang":"en","value":"Jakub Herman","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-07T18:14:29.528053Z","id":"CVE-2026-16258","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","type":"CWE","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-07T18:15:46.000Z"}}]}}}