Stored XSS in 10Web Form Maker Enables Persistent Attacks

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 10Web Form Maker by 10Web form-maker allows Stored XSS.This issue affects Form Maker by 10Web: from n/a through 1.15.50.

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

10Web Form Maker versions through 1.15.50 contain a Stored Cross-Site Scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web forms. Unlike reflected XSS, stored XSS persists in the application's database, meaning every user who interacts with the compromised form becomes a potential victim. This vulnerability is particularly dangerous for WordPress sites and SaaS platforms relying on form builders, as attackers can harvest credentials, redirect users to phishing sites, or deploy malware without requiring victims to click malicious links. Organizations using Form Maker by 10Web face ongoing exposure until patching to versions beyond 1.15.50.

Casky's 323 matched skills leverage Claude AI's extended reasoning to detect the attack patterns behind this vulnerability across MITRE ATT&CK's Initial Access (TA0001) and Reconnaissance (TA0043) phases. Practitioners using Casky would identify suspicious form submission patterns, script injection attempts in form fields, and DOM manipulation behaviors indicative of stored XSS payloads. The platform's skill mapping correlates input validation gaps (CWE-79) with techniques like phishing (T1566) and resource development (T1583), enabling security teams to recognize how attackers probe form parameters, inject payloads during form creation, and establish persistence through stored scripts. Real-world findings would surface unvalidated user inputs in form field data, suspicious JavaScript execution contexts, and historical form modification logs—allowing practitioners to trace exploitation timelines and identify compromised forms before widespread impact.

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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-2026-119483.

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-2026-119483

Casky has 323 skills that investigate the attack patterns behind CVE-2026-119483. Run one and get CVSS-scored findings in 3 minutes.

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