CVE-2025-26994

High

Published: 03 March 2025

Published

03 March 2025

Modified

23 April 2026

KEV Added

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Patch

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CVSS Score 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS Score 0.0020 42.1th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26994 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Softdiscover Zigaform. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 42.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Directly addresses improper neutralization of input by requiring validation of user-supplied data to prevent storage of malicious XSS payloads in the WordPress plugin.

SI-15 Information Output Filtering good match

prevent

Mitigates stored XSS by filtering and encoding information outputs during web page generation to block execution of malicious scripts in users' browsers.

SI-2 Flaw Remediation good match

prevent

Ensures timely remediation of the specific flaw in the Zigaform plugin versions up to 7.4.2 through identification, reporting, and patching.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

Why these techniques?

Stored XSS in public-facing WordPress plugin directly enables T1190 (Exploit Public-Facing Application) for initial access and facilitates T1059.007 (JavaScript) via malicious script execution in victim browsers.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

NVD Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in softdiscover Zigaform – Price Calculator & Cost Estimation Form Builder Lite zigaform-calculator-cost-estimation-form-builder-lite allows Stored XSS.This issue affects Zigaform – Price Calculator & Cost Estimation Form Builder Lite: from…

n/a through <= 7.4.2.

Deeper analysisAI

CVE-2025-26994 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Stored Cross-site Scripting (XSS) under CWE-79, affecting the softdiscover Zigaform – Price Calculator & Cost Estimation Form Builder Lite WordPress plugin (zigaform-calculator-cost-estimation-form-builder-lite). The issue impacts all versions from n/a through 7.4.2 inclusive.

The vulnerability carries a CVSS v3.1 base score of 7.1 (High) with the vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. Unauthenticated attackers accessible over the network can exploit it with low attack complexity but require user interaction. Exploitation enables storage of malicious scripts that execute in the browsers of subsequent users viewing affected pages, resulting in low impacts to confidentiality, integrity, and availability with a changed scope.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/zigaform-calculator-cost-estimation-form-builder-lite/vulnerability/wordpress-zigaform-price-calculator-cost-estimation-form-builder-lite-plugin-7-4-2-cross-site-scripting-xss-vulnerability?_s_id=cve documents the Stored XSS vulnerability in versions up to 7.4.2, recommending mitigation through plugin updates to address the input neutralization flaw.