CVE-2026-16258
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductAjax Search Lite
PublishedAug 7, 2026
First seenAug 7, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- Ajax Search Lite4.14.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Ajax Search Lite | v < 4.14.5 | 4.14.5 |
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