How severe is CVE-2023-0631?

CVE-2023-0631 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-0631 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 60% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0631?

CVE-2023-0631 affects Strangerstudios Paid Memberships Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0631?

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.

When was CVE-2023-0631 published?

CVE-2023-0631 was published on 2023-03-20 and last updated on 2026-06-17.

CVE-2023-0631

CVE-2023-0631 is a high-severity vulnerability in Strangerstudios Paid Memberships Pro with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 60% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 60% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Strangerstudios Paid Memberships Pro
Published: 2023-03-20
Last modified: 2026-06-17

Description

The Paid Memberships Pro WordPress plugin before 2.9.12 does not prevent subscribers from rendering shortcodes that concatenate attributes directly into an SQL query.

Frequently asked questions

What is CVE-2023-0631?: The Paid Memberships Pro WordPress plugin before 2.9.12 does not prevent subscribers from rendering shortcodes that concatenate attributes directly into an SQL query.
How severe is CVE-2023-0631?: CVE-2023-0631 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-0631 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 60% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0631?: CVE-2023-0631 affects Strangerstudios Paid Memberships Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0631?: 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.
When was CVE-2023-0631 published?: CVE-2023-0631 was published on 2023-03-20 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/19ef92fd-b493-4488-91f0-e6ba51362f79

Affected products (1)

cpe:2.3:a:strangerstudios:paid_memberships_pro:*:*:*:*:*:wordpress:*:*

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