Cyber Resilience

CVE-2024-3962

Themeisle Product Addons \& Fields For Woocommerce ≤ 32.0.19

Published
26 April 2024
Modified
08 April 2026
Patch / advisory
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.014 70th percentile
Risk Priority 80 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2024-3962 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Themeisle Product Addons \& Fields For Woocommerce. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 30% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SI-3 (Malicious Code Protection) and CM-7 (Least Functionality) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The Product Addons & Fields for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads because the ppom_upload_file function lacks file type validation in all versions through 32.0.18. The flaw is tracked as CWE-434 and carries a CVSS 3.1 score of 9.8. Exploitation also requires the separate PPOM Pro plugin to be present along with a WooCommerce product configured to include a file-upload field that supplies the correct nonce.

Unauthenticated attackers can upload arbitrary files to the server, which may enable remote code execution. The attack can be carried out over the network without authentication or user interaction once the required nonce is obtained from the product page.

The referenced WordPress plugin changeset shows that the maintainers addressed the missing validation in a subsequent release. Site operators are therefore advised to update the Product Addons & Fields for WooCommerce plugin to a version newer than 32.0.18 and to verify that PPOM Pro is likewise current.

The EPSS score for this CVE has remained at 0.1050 since disclosure with no material increase observed.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

The Product Addons & Fields for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ppom_upload_file function in all versions up to, and including, 32.0.18. This makes it possible for unauthenticated…

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attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Successful exploitation requires the PPOM Pro plugin to be installed along with a WooCommerce product that contains a file upload field to retrieve the correct nonce.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1505 Server Software Component Persistence
Adversaries may abuse legitimate extensible development features of servers to establish persistent access to systems.
T1505.003 Web Shell Persistence
Adversaries may backdoor web servers with web shells to establish persistent access to systems.
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
T1105 Ingress Tool Transfer Command And Control
Adversaries may transfer tools or other files from an external system into a compromised environment.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-35728Same product: Themeisle Product Addons \& Fields For Woocommerce
CVE-2023-2256Same product: Themeisle Product Addons \& Fields For Woocommerce
CVE-2023-1839Same product: Themeisle Product Addons \& Fields For Woocommerce
CVE-2024-13359Same product class: WordPress / CMS plugin
CVE-2025-6220Same product class: WordPress / CMS plugin
CVE-2024-22152Same product class: WordPress / CMS plugin
CVE-2023-33318Same product class: WordPress / CMS plugin
CVE-2024-8425Same product class: WordPress / CMS plugin
CVE-2023-3295Same product class: WordPress / CMS plugin
CVE-2023-48777Same product class: WordPress / CMS plugin

Affected Assets

themeisle
product addons \& fields for woocommerce
≤ 32.0.19

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

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Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

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Validate
Prove the fix (OWASP ASVS)
  • V5.1.1

Mitigating Controls (NIST 800-53 r5) AI

Malicious-code protection at entry points blocks dangerous file types from being accepted and executed.

Least functionality restricts the file types and automatic processing capabilities the system will accept.

SC-18 Mobile Code partial match

Mobile-code controls define, authorize, and block unacceptable uploaded code before automatic processing occurs.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-05 mostly match
prevents

Restricting execution of unauthorized software directly blocks dangerous uploaded files from running.

PR.PS-01 partial match
prevents

Hardened configuration baselines can enforce allowed file types and processing rules.

PR.PS-06 partial match
prevents

Secure development practices include input validation and file-type restrictions that prevent this weakness.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Configuration and acceptance testing verify that file-upload handling enforces allowed types and does not permit dangerous content to be stored or executed.

prevents

Secure-coding guidelines and security testing explicitly address restrictions on allowed file types and upload handling, reducing the risk that dangerous file uploads are accepted without validation.

prevents

Mandated testing for malicious content and known vulnerabilities reduces the likelihood that an outsourced component will contain or accept dangerous file types that could later be uploaded or executed.

mitigates

Application allow-listing and pre-use scanning of received files directly blocks the introduction of executable content that has not been vetted, eliminating the primary vector for unrestricted dangerous file uploads.

References