WordPress Directory Kit Plugin SQL Injection Flaw

The WP Directory Kit WordPress plugin before 1.5.7 does not sanitise and escape a parameter before using it in a SQL statement, allowing administrators to perform SQL injection attacks. On a multisite installation this lets an administrator of a single site read data belonging to the entire network, which they are not otherwise able to reach.

Casky was already ahead

This CVE exploits attack patterns that Casky's 322matched 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

WP Directory Kit versions before 1.5.7 contain a critical SQL injection vulnerability in administrator-accessible parameters that fail proper sanitization and escaping. This CWE-89 flaw allows site administrators to execute arbitrary SQL queries against the WordPress database. In multisite installations, this becomes particularly dangerous—a single-site administrator can exploit the vulnerability to breach the entire network's database, accessing data from other sites they should never reach. Any WordPress installation running the affected plugin with administrator accounts represents an attack surface, making this a privilege escalation and data exposure risk.

Casky's 322 matching skills leverage Claude's extended reasoning to correlate this vulnerability across MITRE ATT&CK's initial access (TA0001) and credential access (TA0043) techniques. Practitioners using Casky would see detections mapping to SQL injection attack patterns, including: suspicious SQL query structures in application logs, unusual database access from administrator accounts querying cross-site data, and parameter manipulation attempts in plugin request handlers. The platform would flag the combination of administrative privilege abuse with database enumeration activities—a telltale sign of post-compromise lateral movement in multisite environments. By connecting CWE-89 patterns to these tactics, security teams can identify both active exploitation attempts and misconfigurations that leave their WordPress networks exposed to insider threats.

Live Threat IntelligenceComing soon

Casky Risk Score

—

EPSS Probability

—

Shodan Exposure

—

GreyNoise Signal

—

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 →

322 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-18653.

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-2026-18653

Casky has 322 skills that investigate the attack patterns behind CVE-2026-18653. Run one and get CVSS-scored findings in 3 minutes.

Run the skill that detects this →

X Instagram LinkedIn