CVE-2026-16258

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 v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.47% chance of exploitation in the next 30 days, 39th percentile

Published

2026-08-07

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/8487a2ce-cb4d-46b8-942e-334ac94cf115/

References

• CVE Record
• NVD entry

Related

• CVE-2026-16257
• CVE-2026-16259
• CVE-2026-16256
• CVE-2026-16260
• CVE-2026-16253
• CVE-2026-16261