CVE-2026-16258: critical vulnerability in Ajax Search Lite
Ajax Search Lite < 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint
Published
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.8epss 0.8%
exploitation probability
0.8%top 43% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · Ajax Search Litepublic PoCs found — 1
cve_referencewpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Ajax Search Lite
In the same product, most dangerous first.
CVE-2023-1420MEDIUMAjax Search Lite < 4.11.1, Pro < 4.26.2 - Reflected Cross-Site ScriptingEPSS 0.5%CVE-2024-10568MEDIUMAjax Search Lite < 4.12.4 - Admin+ Stored XSSEPSS 0.4%CVE-2024-13585LOWAjax Search Lite < 4.12.5 - Admin+ Stored XSSEPSS 0.4%CVE-2024-7084MEDIUMAjax Search Lite < 4.12.1 - Admin+ Stored XSSEPSS 0.4%CVE-2024-8619MEDIUMAjax Search Lite <= 4.12.2 - Admin+ Stored XSSEPSS 0.4%