TI-2026-70501 Aliases CVE-2026-102388 GHSA-3xw3-52p3-g5g8

Stored cross-site scripting in WordPress Forminator plugin

LOW 30CWE-79Published 2026-10-10 · Updated 2026-10-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The WPMU DEV Forminator plugin for WordPress through 1.57.3 contains stored cross-site scripting (CWE-79). Input is not neutralized when web pages are generated, so a remote attacker without privileges can store script that runs in a victim's browser after the user interacts with the page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Forminator forminator allows Stored XSS.This issue affects Forminator: from n/a through 1.57.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00142 3rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
wpmudev	Forminator	up to 1.57.3	—	No fix listed	CNA

Forminator Vendorwpmudev Affected up to 1.57.3 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:incsub:forminator::::::::	—	—	Incsub

cpe:2.3:a:incsub:forminator:*:*:*:*:*:*:*:* Versions — — ·Incsub

Remediation

The sources list no fixed version for Forminator.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-11 Threatist record created from CVE-2026-102388
2026-10-11 Alias added: GHSA-3xw3-52p3-g5g8

References

Other 1

https://patchstack.com/database/wordpress/plugin/forminator/vulnerability/wordpress-forminator-plugin-1-57-3-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2023-04240 Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
TI-2023-04683 Defender Security < 4.1.0 - Protection Bypass (Hidden Login Page) CVSS 3.1MEDIUM 5.3
TI-2026-13248 Forminator Forms <= 1.56.1 - Unauthenticated Arbitrary File Upload via Forged Upload Field Configuration CVSS 3.1CRITICAL 9.8
TI-2025-05864 Forminator Forms – Contact Form, Payment Form & Custom Form Builder <= 1.44.2… CVSS 3.1HIGH 8.8
TI-2024-20466 SQL injection in wpmudev Forminator CVSS 3.1HIGH 7.2
TI-2024-07873 Hustle < 7.8.5 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8

See all 120 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences