Stored XSS in Arraytics WP Event Solution Plugin

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics WP Event Solution wp-event-solution allows Stored XSS.This issue affects WP Event Solution: from n/a through 4.1.26.

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

Stored Cross-Site Scripting (XSS) vulnerabilities represent a critical threat to WordPress installations, particularly when found in popular plugins like WP Event Solution. This vulnerability allows attackers to inject malicious scripts that persist in the application's database, affecting all users who view the compromised content. With versions through 4.1.26 vulnerable and a CVSS score of 7.1, this poses a significant risk to event management sites, potentially compromising user data, session tokens, and enabling further lateral attacks. WordPress administrators and security teams managing sites with this plugin are directly impacted, as stored XSS requires no user interaction beyond normal site browsing to compromise visitors.

Casky's 323 mapped skills leverage Claude's extended reasoning to detect the reconnaissance (TA0001) and discovery (TA0043) patterns that precede and accompany XSS exploitation. Practitioners using Casky would identify suspicious input validation failures during initial reconnaissance phases—where attackers probe event form fields and submission endpoints for improper sanitization. During the discovery phase, the platform's skills would surface behavioral indicators such as unusual database query patterns, unexpected script execution in stored data fields, and anomalous DOM manipulation activities. Practitioners would see specific findings highlighting unsanitized user inputs in event titles, descriptions, or custom fields, coupled with detection of JavaScript payload signatures attempting to exfiltrate cookies or redirect users. The combination of CWE-79 pattern matching with MITRE technique correlation enables teams to move from reactive vulnerability patching to proactive threat hunting across their WordPress infrastructure.

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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-2026-112844.

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-2026-112844

Casky has 323 skills that investigate the attack patterns behind CVE-2026-112844. Run one and get CVSS-scored findings in 3 minutes.

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