How severe is CVE-2024-4455?

CVE-2024-4455 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-4455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-4455?

CVE-2024-4455 affects Yithemes Yith Woocommerce Ajax Search. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-4455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-4455 have an EU (EUVD) identifier?

Yes. CVE-2024-4455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44074.

When was CVE-2024-4455 published?

CVE-2024-4455 was published on 2024-05-24 and last updated on 2026-06-17.

CVE-2024-4455

CVE-2024-4455 is a high-severity vulnerability in Yithemes Yith Woocommerce Ajax Search with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-44074
Weakness: CWE-79
Affected product: Yithemes Yith Woocommerce Ajax Search
Published: 2024-05-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-4455?: CVE-2024-4455 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-4455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-4455?: CVE-2024-4455 affects Yithemes Yith Woocommerce Ajax Search. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-4455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-4455 have an EU (EUVD) identifier?: Yes. CVE-2024-4455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44074.
When was CVE-2024-4455 published?: CVE-2024-4455 was published on 2024-05-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yithemes:yith_woocommerce_ajax_search:*:*:*:*:*:wordpress:*:*

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