SQL Injection in Tribulant Newsletters Plugin Affects WordPress Sites

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 4.18.1.

Casky was already ahead

This CVE exploits attack patterns that Casky's 323matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

This critical SQL injection vulnerability (CVSS 9.3) affects the Tribulant Software Newsletters plugin through version 4.18.1, allowing attackers to execute arbitrary SQL commands against vulnerable WordPress databases. SQL injection remains one of the most dangerous attack vectors because it bypasses application logic entirely, giving attackers direct database access to extract sensitive data, modify records, or escalate privileges. Any WordPress site running the affected plugin versions is at immediate risk, particularly those managing subscriber lists or storing customer information through the newsletter functionality.

Casky's 323 matching security skills leverage Claude AI's extended reasoning to detect the reconnaissance (TA0001) and execution (TA0043) patterns typical of SQL injection exploitation. Practitioners using Casky would identify findings showing suspicious SQL syntax in newsletter form inputs, unusual database queries containing UNION SELECT statements or comment sequences (-- or /**/), and attempts to manipulate WHERE clauses through parameter tampering. The platform maps these attack indicators across the MITRE ATT&CK framework, helping teams recognize both initial probing attempts and active exploitation techniques, while Claude's reasoning capabilities correlate seemingly disparate events into coherent attack narratives that reveal the full scope of compromise.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

323 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-111402.

Abuse of Public-Facing API: Mobile API Abuse

mobile security · low

Run

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

MITRE ATT&CK Techniques

TA0001 TA0043

Investigate the attack patterns behind CVE-2026-111402

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