Cyber Resilience

CVE-2025-30523

High

Published: 24 March 2025

Published
24 March 2025
Modified
23 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
EPSS Score 0.0041 61.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-30523 is a high-severity SQL Injection (CWE-89) vulnerability. Its CVSS base score is 7.6 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 38.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-30523 is an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability, classified under CWE-89, in the Super Simple Subscriptions WordPress plugin developed by Marcel-NL. The issue affects the super-simple-subscriptions plugin in all versions from n/a through 1.1.0.

The vulnerability carries a CVSS v3.1 base score of 7.6 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L). It can be exploited remotely over the network with low attack complexity by authenticated users possessing high privileges, without requiring user interaction. Successful exploitation enables high-impact confidentiality violations, such as unauthorized access to sensitive data, alongside a changed scope, no integrity impact, and low availability disruption.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/super-simple-subscriptions/vulnerability/wordpress-super-simple-subscriptions-plugin-1-1-0-sql-injection-vulnerability?_s_id=cve. The vulnerability was published on 2025-03-24T14:15:20.593.

EU & UK References

Vulnerability details

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Marcel-NL Super Simple Subscriptions super-simple-subscriptions allows SQL Injection.This issue affects Super Simple Subscriptions: from n/a through <= 1.1.0.

CWE(s)
CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

SQL injection vulnerability in a public-facing WordPress plugin directly enables exploitation of public-facing applications (T1190) for unauthorized data access.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-39334Shared CWE-89
CVE-2024-13488Shared CWE-89
CVE-2026-20002Shared CWE-89
CVE-2025-1446Shared CWE-89
CVE-2025-22699Shared CWE-89
CVE-2026-36232Shared CWE-89
CVE-2026-31871Shared CWE-89
CVE-2026-33078Shared CWE-89
CVE-2026-46359Shared CWE-89
CVE-2025-22691Shared CWE-89

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

Directly prevents SQL injection by requiring validation and sanitization of untrusted inputs used in SQL commands within the vulnerable WordPress plugin.

SI-2 Flaw Remediation good match
prevent

Requires timely remediation of the specific SQL injection flaw in Super Simple Subscriptions plugin versions through <=1.1.0 via patching or upgrades.

SC-7 Boundary Protection partial match
prevent

Deploys web application firewalls at system boundaries to inspect traffic and block SQL injection attempts exploiting the plugin vulnerability.

References