CVE-2023-1420: Ajax Search Lite < 4.11.1, Pro < 4.26.2 - Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-04-24 · updated 2026-06-17

Description

The Ajax Search Lite WordPress plugin before 4.11.1, Ajax Search Pro WordPress plugin before 4.26.2 does not sanitise and escape a parameter before outputting it back in a response of an AJAX action, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected products

Ajax Search Lite: before 4.11.1; before 4.26.2 — fixed in 4.11.1, 4.26.2

How to fix

Upgrade to a fixed version: Ajax Search Lite 4.11.1, 4.26.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/a9a54ee5-2b80-4f55-894c-1047030eea7f
https://wpscan.com/vulnerability/a9a54ee5-2b80-4f55-894c-1047030eea7f

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