How severe is CVE-2023-23488?

CVE-2023-23488 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-2023-23488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 92% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23488?

CVE-2023-23488 affects Strangerstudios Paid Memberships Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23488?

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.

When was CVE-2023-23488 published?

CVE-2023-23488 was published on 2023-01-20 and last updated on 2026-06-17.

CVE-2023-23488

CVE-2023-23488 is a critical-severity vulnerability in Strangerstudios Paid Memberships Pro with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 92% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 92% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Strangerstudios Paid Memberships Pro
Published: 2023-01-20
Last modified: 2026-06-17

Description

The Paid Memberships Pro WordPress Plugin, version < 2.9.8, is affected by an unauthenticated SQL injection vulnerability in the 'code' parameter of the '/pmpro/v1/order' REST route.

Frequently asked questions

What is CVE-2023-23488?: The Paid Memberships Pro WordPress Plugin, version < 2.9.8, is affected by an unauthenticated SQL injection vulnerability in the 'code' parameter of the '/pmpro/v1/order' REST route.
How severe is CVE-2023-23488?: CVE-2023-23488 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-2023-23488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 92% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23488?: CVE-2023-23488 affects Strangerstudios Paid Memberships Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23488?: 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.
When was CVE-2023-23488 published?: CVE-2023-23488 was published on 2023-01-20 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Strangerstudios Paid Memberships Pro

CVE-2021-25114 — Critical (CVSS 9.8): The Paid Memberships Pro WordPress plugin before 2.6.7 does not escape the discount_code in one of its REST route…
CVE-2023-0631 — High (CVSS 8.8): The Paid Memberships Pro WordPress plugin before 2.9.12 does not prevent subscribers from rendering shortcodes that…
CVE-2021-20678 — High (CVSS 8.8): SQL injection vulnerability in the Paid Memberships Pro versions prior to 2.5.6 allows remote authenticated attackers…
CVE-2024-37486 — High (CVSS 7.6): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Paid Memberships…
CVE-2024-37277 — High (CVSS 7.5): Authorization Bypass Through User-Controlled Key vulnerability in Paid Memberships Pro allows Accessing Functionality…
CVE-2023-6187 — High (CVSS 7.5): The Paid Memberships Pro plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type…

All CVEs affecting Strangerstudios Paid Memberships Pro →

Other CWE-89 (SQL Injection) vulnerabilities

CVE-2026-54350 — Critical (CVSS 10.0): Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase…
CVE-2026-8054 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in the Publish Audit API endpoints…
CVE-2026-42287 — Critical (CVSS 10.0): Emlog is an open source website building system. Prior to version 2.6.11, direct SQL injection in article creation and…
CVE-2026-3325 — Critical (CVSS 10.0): SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the…
CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
CVE-2025-57792 — Critical (CVSS 10.0): Explorance Blue versions prior to 8.14.9 contain a SQL injection vulnerability caused by insufficient validation of…

Browse all CWE-89 (SQL Injection) vulnerabilities →