CVE-2026-16258

Ajax Search Lite < 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint

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

Ajax Search Lite

CVSS v3.1 CNA

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.85% chance of exploitation in the next 30 days, 57th percentile

Published

2026-08-07

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115/

References

• CVE Record
• NVD entry