CVE-2025-6688

Description

The Simple Payment plugin for WordPress is vulnerable to Authentication Bypass in versions 1.3.6 to 2.3.8. This is due to the plugin not properly verifying a user's identity prior to logging them in through the create_user() function. This makes it possible for unauthenticated attackers to log in as administrative users.

CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-288 CWE-288

Affected Products

Vendor	Product	Versions
idokd	simple_payment	1.3.6 — 2.3.9

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3318371/simple-payment/tags/2.3.9/simple-payment-plugin.php

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/8b4e2f87-e3ad-4f1b-b647-f5e5a49f691b?source=cve

Frequently Asked Questions

What is CVE-2025-6688? +

The Simple Payment plugin for WordPress is vulnerable to Authentication Bypass in versions 1.3.6 to 2.3.8. This is due to the plugin not properly verifying a user's identity prior to logging them in through the create_user() function. This makes it possible for unauthenticated attackers to log in as administrative users. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-6688? +

CVE-2025-6688 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-6688? +

CVE-2025-6688 affects products from idokd, specifically: simple_payment. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6688? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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