Which products and versions are affected by CVE-2023-0631?

Affected: Paid Memberships Pro (Strangerstudios) versions >= 1.5.5. The full list is in the CVE brief.

Is CVE-2023-0631 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2023-0631 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-0631?

Public exploit code is available.

Is there a fix for CVE-2023-0631?

Fixed versions are available, including Paid Memberships Pro 2.9.12.

How urgently should CVE-2023-0631 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2023-0631

HighPublic exploit

Paid Memberships Pro <= 2.9.11 - Authenticated (Subscriber+) SQL Injection via Shortcodes

Published Mar 21, 2023 · Updated Oct 8, 2026 · Also known as 103a7e7b-74bb-4691-8670-c66ed2144596

Key Facts

Patch immediately

CVE-2023-0631 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Paid Memberships Pro (Strangerstudios).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 60% probability of exploitation in the next 30 days.
Fixed versions are available, including Paid Memberships Pro 2.9.12.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

60%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-0631 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Paid Memberships ProStrangerstudios	>= 1.5.5	2.9.12

Patched Releases

Paid Memberships Pro

2.9.12

Timeline

Publicly disclosed
Mar 21, 2023
Last updated
Oct 8, 2026

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

7 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Paid Memberships Pro (Strangerstudios) versions >= 1.5.5. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Paid Memberships Pro 2.9.12.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2023-0631 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.