Cyber Resilience

CVE-2025-30921

High

Published: 27 March 2025

Published
27 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 0.0037 59.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-30921 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 40.8% 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 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2025-30921 is an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability, classified under CWE-89, in Tribulant Software's Newsletters newsletters-lite WordPress plugin. The issue affects all versions from n/a through 4.9.9.7 and was published on 2025-03-27.

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). Attackers with high privileges can exploit it over the network with low complexity and no user interaction required. Successful exploitation enables high-impact confidentiality breaches across a changed scope, with limited availability disruption and no integrity impact.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-9-9-7-sql-injection-vulnerability?_s_id=cve.

EU & UK References

Vulnerability details

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Tribulant Software Newsletters newsletters-lite allows SQL Injection.This issue affects Newsletters: from n/a through <= 4.9.9.7.

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?

The SQL Injection vulnerability in a public-facing WordPress plugin directly enables network-based exploitation of the application, mapping to T1190 Exploit Public-Facing Application.

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 requires validation and sanitization of information inputs to prevent SQL injection vulnerabilities like CVE-2025-30921 in the newsletters-lite plugin.

SI-2 Flaw Remediation good match
prevent

Mandates identification, reporting, and timely patching of flaws such as this SQL injection vulnerability affecting versions through 4.9.9.7.

RA-5 Vulnerability Monitoring and Scanning good match
detect

Provides vulnerability scanning to identify and prioritize remediation of SQL injection flaws like CVE-2025-30921 in deployed systems.

References