WordPress KittyCatfish Plugin SQL Injection via GET Parameters

KittyCatfish 2.2 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to read database contents by exploiting an unescaped GET parameter. Attackers can inject SQL code through the 'kc_ad' parameter in base.css.php or kittycatfish.php to extract sensitive database information using boolean-based blind or time-based blind techniques.

Casky was already ahead

This CVE exploits attack patterns that Casky's 301matched 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

CVE-2017-20246 exploits an SQL injection vulnerability in the KittyCatfish 2.2 WordPress plugin, where unescaped GET parameters (specifically 'kc_ad') in base.css.php and kittycatfish.php allow unauthenticated attackers to inject arbitrary SQL code. This is a critical vulnerability because it requires no authentication, affects a publicly accessible plugin, and enables attackers to read sensitive database contents including user credentials, post data, and plugin configurations. Any WordPress installation running KittyCatfish 2.2 is immediately at risk, with the attack surface extending to all visitors who can craft malicious requests to vulnerable endpoints.

Casky's 301 mapped skills detect the attack patterns underlying this vulnerability by analyzing reconnaissance and resource exploitation activities (TA0001 and TA0043). Practitioners using Casky would observe detection alerts for SQL injection payloads in HTTP GET parameters, particularly those using boolean-based blind or time-based blind SQL injection techniques. The platform's extended reasoning capabilities with Claude AI would correlate suspicious database query patterns, timing anomalies in response times (indicating time-based blind SQL exploitation), and repeated parameter fuzzing attempts against the vulnerable endpoints. Practitioners would see specific indicators such as SQL keywords (UNION, SELECT, OR, AND) embedded in 'kc_ad' parameter values, error-based responses revealing database structure, and conditional response variations characteristic of blind SQL injection exploitation attempts.

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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 →

301 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2017-20246.

analyzing-apt-group-with-mitre-navigator

threat intelligence · low

Run

analyzing-campaign-attribution-evidence

threat intelligence · low

Run

analyzing-certificate-transparency-for-phishing

threat intelligence · low

Run

MITRE ATT&CK Techniques

TA0001 TA0043

Investigate the attack patterns behind CVE-2017-20246

Casky has 301 skills that investigate the attack patterns behind CVE-2017-20246. Run one and get CVSS-scored findings in 3 minutes.

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