CVE-2026-28139

WordPress Ajax Search Lite plugin <= 4.14.4 - PHP Object Injection vulnerability

Published Aug 6, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Unauthenticated PHP Object Injection in Ajax Search Lite <= 4.14.4 versions.

Remediation

Vendor Solution

Update the WordPress Ajax Search Lite plugin to the latest available version (at least 4.14.5).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Wp-dreams
Wp-dreams ajax Search
Vendors & Products Wordpress
Wordpress wordpress
Wp-dreams
Wp-dreams ajax Search
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in Ajax Search Lite <= 4.14.4 versions.
Title WordPress Ajax Search Lite plugin <= 4.14.4 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 6, 2026, 2:46 PM
Reserved
Feb 25, 2026, 12:14 PM
Status
Deferred
Published
Aug 6, 2026, 3:16 PM
Modified
Oct 23, 2026, 9:10 PM