Vulnerability record · CVE-2026-13399 · published 6 August 2026

CVE-2026-13399: Insecure direct object reference vulnerability

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.20 does not have proper authorization checks on a REST endpoint, allowing unauthenticated users to bypass payments

7.5 CVSS 3.1 High EPSS 0.40% · top 68.4% CWE-639 · Insecure direct object referenceCWE-862 · Missing authorization Deferred

7.5CVSS 3.1 base score

0.40%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

1References

26 Aug 2026Last modified by NVD

Description

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.20 does not have proper authorization checks on a REST endpoint, allowing unauthenticated users to bypass payments

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Link	Tags
https://wpscan.com/vulnerability/6ae19ba0-26ba-4ffa-94e3-3fe32cedcae1/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed23 Jun 2026

Source: NIST National Vulnerability Database (record CVE-2026-13399), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.