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CVE-2026-7517

Custom Payment Gateways for WooCommerce <= 2.1.0 - Unauthenticated Stored Cross-Site Scripting via 'alg_wc_cpg_input_fields' Parameter

HIGH
7.2
CVSS Score
Published: July 1, 2026 at 04:32 AM UTC
Updated: July 2, 2026 at 01:52 AM UTC
1 product affected across 1 vendorCustom Payment Gateways for WooCommerce

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Severity
HIGH7.2
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

The Custom Payment Gateways for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alg_wc_cpg_input_fields' parameter in all versions up to, and including, 2.1.0 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. This vulnerability is exploitable by unauthenticated guest users submitting a crafted checkout POST request, requiring no custom input fields to be configured in the plugin.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://www.wordfence.com/threat-intel/vulnerabilities/id/1defa728-9f9d-4e8f-8f6c-432c615da7f5?source=cve
Source: cverecord
https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/trunk/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L86
Source: cverecord
https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/tags/2.1.0/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L86
Source: cverecord
https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/trunk/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L264
Source: cverecord
https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/tags/2.1.0/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L264
Source: cverecord
https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/trunk/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L241
Source: cverecord
https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/tags/2.1.0/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L241
Source: cverecord
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3578163%40custom-payment-gateways-woocommerce&new=3578163%40custom-payment-gateways-woocommerce&sfp_email=&sfph_mail=

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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