How severe is CVE-2025-6688?

CVE-2025-6688 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-6688 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6688?

CVE-2025-6688 affects Idokd Simple Payment. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6688?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-6688 have an EU (EUVD) identifier?

Yes. CVE-2025-6688 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19376.

When was CVE-2025-6688 published?

CVE-2025-6688 was published on 2025-06-27 and last updated on 2026-06-17.

CVE-2025-6688

CVE-2025-6688 is a critical-severity vulnerability in Idokd Simple Payment with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-288.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19376
Weakness: CWE-288
Affected product: Idokd Simple Payment
Published: 2025-06-27
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-6688?: CVE-2025-6688 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-6688 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6688?: CVE-2025-6688 affects Idokd Simple Payment. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6688?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-6688 have an EU (EUVD) identifier?: Yes. CVE-2025-6688 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19376.
When was CVE-2025-6688 published?: CVE-2025-6688 was published on 2025-06-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:idokd:simple_payment:*:*:*:*:*:wordpress:*:*

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