CVE-2025-26553

High

Published: 15 March 2025

Published

15 March 2025

Modified

23 April 2026

KEV Added

—

Patch

—

CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS Score 0.0006 18.1th percentile

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

Summary

CVE-2025-26553 is a high-severity Cross-site Scripting (CWE-79) vulnerability. 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 18.1th 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).

Deeper analysis

CVE-2025-26553 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the Pre Order Addon for WooCommerce – Advance Order/Backorder Plugin (wc-pre-order). This issue impacts all versions from n/a through 2.2, as hosted on WordPress sites using the plugin.

The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating exploitation is possible over the network with low attack complexity, no required privileges, and user interaction such as visiting a malicious link. Attackers can leverage reflected XSS to inject and execute arbitrary scripts in a victim's browser context, achieving low impacts on confidentiality, integrity, and availability within a changed scope.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/wc-pre-order/vulnerability/wordpress-pre-order-addon-for-woocommerce-plugin-1-0-7-reflected-cross-site-scripting?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-6636

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Spring Devs Pre Order Addon for WooCommerce – Advance Order/Backorder Plugin wc-pre-order allows Reflected XSS.This issue affects Pre Order Addon for WooCommerce – Advance Order/Backorder Plugin: from n/a…

through <= 2.2.

CWE(s): CWE-79

Related Threats

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?

Reflected XSS in public-facing WordPress plugin enables T1190 (exploit public-facing app) and T1059.007 (arbitrary JavaScript execution in browser via injected scripts).

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