by Kastro
Paper/Archive/CVE-2026-16258

CVE-2026-16258

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

EPSS 0.8%public exploitCVSS 9.8
critical.is priorityof 100
51
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 58.1.581 × 2011.6Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Ajax Search Lite< 4.14.54.14.5CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitwpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115