What is CVE-2024-4455?

CVE-2024-4455 is a high-severity vulnerability in Yithemes Yith Woocommerce Ajax Search, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2024-05-24.

How severe is CVE-2024-4455?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Yithemes Yith Woocommerce Ajax Search

CVE-2024-4455

The YITH WooCommerce Ajax Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘item’ parameter in versions up to, and including, 2.4.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Yithemes Yith Woocommerce Ajax Search — versions 0
Yithemes Yith Woocommerce Ajax Search

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wordfence.com/threat-intel/vulnerabilities/id/cf0f5fd4-cd06-4d11-9f22-1f417… (Third Party Advisory)
plugins.trac.wordpress.org/browser/yith-woocommerce-ajax-search/trunk/includes/… (Product)
plugins.trac.wordpress.org/changeset/3091321 (Patch)

Frequently asked questions

What is CVE-2024-4455?: CVE-2024-4455 is a high-severity vulnerability in Yithemes Yith Woocommerce Ajax Search, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2024-05-24.
How severe is CVE-2024-4455?: High severity. CVSS v3 base score is 7.2 out of 10.