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    CVE-2026-7517

    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.

    Published:Jul 1, 2026
    Last Modified:Jul 1, 2026
    EPS:Jul 1, 2026
    EPSS Score:
    CVSS Score:7.2

    Affected Products

    No affected product recorded yet

    Exploits

    No exploit reference

    References

    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
    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
    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
    https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/trunk/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L241
    https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/trunk/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L264
    https://plugins.trac.wordpress.org/browser/custom-payment-gateways-woocommerce/trunk/includes/class-alg-wc-custom-payment-gateways-input-fields.php#L86
    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=
    https://www.wordfence.com/threat-intel/vulnerabilities/id/1defa728-9f9d-4e8f-8f6c-432c615da7f5?source=cve

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High