Kirki WordPress Plugin SQL Injection via Unsanitized Request Input

The Kirki WordPress plugin before 6.0.13 does not properly sanitise and escape a value taken from the request before using it in a SQL statement, allowing unauthenticated attackers to perform SQL injection attacks.

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

The Kirki WordPress plugin before version 6.0.13 contains a critical SQL injection vulnerability (CWE-89) that stems from improper input sanitization and escaping. Attackers can inject malicious SQL commands through unsanitized request parameters, bypassing authentication requirements entirely. This vulnerability affects any WordPress site using the vulnerable Kirki plugin version, potentially exposing sensitive database content including user credentials, configuration data, and application-specific information. The high CVSS score of 8.6 reflects the severity—unauthenticated remote code execution risk combined with widespread WordPress adoption makes this a significant threat to web applications across industries.

Casky's 322 mapped security skills leverage Claude's extended reasoning to identify attack patterns associated with TA0001 (Initial Access) and TA0043 (Reconnaissance). Practitioners using Casky would observe detection patterns focused on: (1) anomalous SQL query structures in web server logs containing UNION-based or time-based blind injection payloads targeting the Kirki plugin endpoints; (2) unusual request parameters with SQL metacharacters (single quotes, dashes, comments) being passed to vulnerable functions; (3) database error messages or timing delays indicating successful exploitation. The platform would correlate these indicators across the 754 MITRE ATT&CK-mapped skills to surface reconnaissance activity (TA0043) probing for vulnerable plugin versions, followed by initial access attempts (TA0001) leveraging the SQL injection vector—enabling practitioners to detect and respond before data exfiltration occurs.

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-2026-12721.

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-2026-12721

Casky has 322 skills that investigate the attack patterns behind CVE-2026-12721. Run one and get CVSS-scored findings in 3 minutes.

Run the skill that detects this →

X Instagram LinkedIn