How severe is CVE-2023-40608?

CVE-2023-40608 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2023-40608 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40608?

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

Does CVE-2023-40608 have an EU (EUVD) identifier?

Yes. CVE-2023-40608 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45166.

When was CVE-2023-40608 published?

CVE-2023-40608 was published on 2024-06-19 and last updated on 2026-06-17.

CVE-2023-40608

CVE-2023-40608 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45166
Weakness: CWE-862
Published: 2024-06-19
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in Paid Memberships Pro Paid Memberships Pro CCBill Gateway.This issue affects Paid Memberships Pro CCBill Gateway: from n/a through 0.3.

Frequently asked questions

What is CVE-2023-40608?: Missing Authorization vulnerability in Paid Memberships Pro Paid Memberships Pro CCBill Gateway.This issue affects Paid Memberships Pro CCBill Gateway: from n/a through 0.3.
How severe is CVE-2023-40608?: CVE-2023-40608 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2023-40608 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-40608?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-40608 have an EU (EUVD) identifier?: Yes. CVE-2023-40608 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45166.
When was CVE-2023-40608 published?: CVE-2023-40608 was published on 2024-06-19 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/pmpro-ccbill/wordpress-paid-memberships-pro-ccbill-gateway-plugin-0-3-unauthenticated-broken-access-control-vulnerability?_s_id=cve

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