CVE-2026-16258
CRITICALAjax Search Lite < 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2026-16258. PoCs published by exploitintel.
AI-analyzed exploit summary This repository provides a functional proof-of-concept for CVE-2026-16258, an unauthenticated PHP Object Injection vulnerability in the Ajax Search Lite WordPress plugin (< 4.14.5). The exploit leverages a deserialization sink in the plugin's search statistics REST endpoint to instantiate attacker-controlled classes, demonstrating impact via a canary gadget class that writes a marker file.
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.
Exploits (1)
This repository provides a functional proof-of-concept for CVE-2026-16258, an unauthenticated PHP Object Injection vulnerability in the Ajax Search Lite WordPress plugin (< 4.14.5). The exploit leverages a deserialization sink in the plugin's search statistics REST endpoint to instantiate attacker-controlled classes, demonstrating impact via a canary gadget class that writes a marker file.
References (1)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H