CVE-2025-26541

High

Published: 26 March 2025

Published

26 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 0.0023 46.2th percentile

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

Summary

CVE-2025-26541 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 Keylogging (T1056.001); ranked at the 46.2th 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-15 (Information Output Filtering) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-26541 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the CodeSolz Bitcoin / AltCoin Payment Gateway for WooCommerce plugin (woo-altcoin-payment-gateway). This issue impacts all versions from n/a through 1.7.6 and was published on 2025-03-26 with 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).

An unauthenticated attacker with network access can exploit this vulnerability by crafting a malicious payload that reflects off the web page, requiring user interaction such as clicking a specially crafted link. Exploitation changes the scope (S:C), enabling the payload to execute in the context of the targeted user's browser session, with low impacts on confidentiality, integrity, and availability (C:L/I:L/A:L). Potential outcomes include theft of session cookies, keystroke logging, or phishing attacks against site administrators or users.

The Patchstack advisory provides further details on this vulnerability, including vulnerability assessment for the WordPress plugin: https://patchstack.com/database/Wordpress/Plugin/woo-altcoin-payment-gateway/vulnerability/wordpress-bitcoin-altcoin-payment-gateway-for-woocommerce-plugin-1-7-6-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-8176

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CodeSolz Bitcoin / AltCoin Payment Gateway for WooCommerce woo-altcoin-payment-gateway allows Reflected XSS.This issue affects Bitcoin / AltCoin Payment Gateway for WooCommerce: from n/a through <= 1.7.6.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1056.001 Keylogging Collection

Adversaries may log user keystrokes to intercept credentials as the user types them.

attack.mitre.org →

T1185 Browser Session Hijacking Collection

Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.

attack.mitre.org →

T1539 Steal Web Session Cookie Credential Access

An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.

attack.mitre.org →

Why these techniques?

Reflected XSS allows arbitrary JS execution in victim's browser context, directly enabling keylogging (T1056.001), browser session hijacking (T1185), and theft of web session cookies (T1539) as described in the potential outcomes.

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