How severe is CVE-2023-4142?

CVE-2023-4142 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4142?

CVE-2023-4142 affects Smackcoders Wp Ultimate Csv Importer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4142?

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.

When was CVE-2023-4142 published?

CVE-2023-4142 was published on 2023-08-04 and last updated on 2026-06-17.

CVE-2023-4142

CVE-2023-4142 is a high-severity vulnerability in Smackcoders Wp Ultimate Csv Importer with a CVSS 3.x base score of 8.0. 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Smackcoders Wp Ultimate Csv Importer
Published: 2023-08-04
Last modified: 2026-06-17

Description

The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 7.9.8 via the '->cus1' parameter. This allows authenticated attackers with author-level permissions or above, if the administrator previously grants access in the plugin settings, to execute code on the server. The author resolved this vulnerability by removing the ability for authors and editors to import files, please note that this means remote code execution is still possible for site administrators, use the plugin with caution.

Frequently asked questions

What is CVE-2023-4142?: The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 7.9.8 via the '->cus1' parameter. This allows authenticated attackers with author-level permissions or above, if the administrator previously grants access in the plugin settings, to execute code on the server. The author resolved this vulnerability by removing the ability for authors and editors to import files, please note that this means remote code execution is still possible for site administrators, use the plugin with caution.
How severe is CVE-2023-4142?: CVE-2023-4142 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4142?: CVE-2023-4142 affects Smackcoders Wp Ultimate Csv Importer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4142?: 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.
When was CVE-2023-4142 published?: CVE-2023-4142 was published on 2023-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:smackcoders:wp_ultimate_csv_importer:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Smackcoders Wp Ultimate Csv Importer

CVE-2023-4141 — High (CVSS 8.0): The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and…
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