AUGUST 15, 2026
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Case File

CVE-2026-16258

CRITICAL · CVSS 9.8 EPSS 0.47% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-07 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

The Ajax Search Lite plugin for WordPress versions prior to 4.14.5 is vulnerable to PHP Object Injection due to improper handling of untrusted input, which can be exploited by unauthenticated attackers. If a suitable property-oriented programming (POP) chain exists through another vulnerable instance of the plugin, this flaw may lead to Remote Code Execution, allowing attackers to execute arbitrary code on the server. WordPress site administrators using this plugin should prioritize updating to version 4.14.5 or later to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-16258
Severity
CRITICAL
CVSS
9.8
EPSS
0.47%
WordPress

Original NVD 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.