Back to CVE records
Critical 9.8Published Aug 7, 2026

CVE-2026-16258Ajax Search Lite < 4.14.5 - Unauthenticated PHP Object Injection via Search Statistics REST Endpoint

Updated under an hour ago ()

Does this affect you?

It affects Unknown Ajax Search Lite. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-502
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Aug 7, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown Ajax Search Lite
unknown:ajax_search_lite (from the name)
before 4.14.5
CNA record

References

  • exploit, vdb-entry, technical-description

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.