What’s Vulnerable › Vulnerabilities

CVE-2023-4161: WooCommerce PDF Invoice Builder <= 1.2.90 - Cross-Site Request Forgery to Custom Field Creation

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-31 · updated 2026-06-17
• Weakness: CWE-352

Description

The WooCommerce PDF Invoice Builder for WordPress is vulnerable to Cross-Site Request Forgery due to a missing nonce check on the SaveCustomField function in versions up to, and including, 1.2.90. This makes it possible for unauthenticated attackers to create invoice fields provided they can trick an admin into performing an action such as clicking on a link.

Affected products

• edgarrojas PDF Builder for WooCommerce. Create invoices,packing slips and more: through 1.2.90

References

• https://plugins.trac.wordpress.org/browser/woo-pdf-invoice-builder/trunk/woocommerce-pdf-invoice-ajax.php?rev=2935371#L654
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2953379%40woo-pdf-invoice-builder%2Ftrunk&old=2951617%40woo-pdf-invoice-builder%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3b7aac1c-6962-49cf-850f-ab7b1d220090?source=cve
• https://plugins.trac.wordpress.org/browser/woo-pdf-invoice-builder/trunk/woocommerce-pdf-invoice-ajax.php?rev=2935371#L654
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2953379%40woo-pdf-invoice-builder%2Ftrunk&old=2951617%40woo-pdf-invoice-builder%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3b7aac1c-6962-49cf-850f-ab7b1d220090?source=cve

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