Cyber Posture

CVE-2025-23838

High

Published: 24 January 2025

Published
24 January 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 0.0021 42.8th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Description

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.

Security Summary

CVE-2025-23838 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS, CWE-79), affecting the WordPress plugin "Bauernregeln" by Rally Vincent. The issue impacts all versions from unknown initial release through 1.0.1, allowing malicious input to be reflected in dynamically generated web pages without proper sanitization.

The vulnerability can be exploited remotely over the network (AV:N) with low attack complexity (AC:L), requiring no privileges (PR:N) but user interaction (UI:R), such as clicking a crafted link. Successful exploitation changes scope (S:C), enabling limited impacts on confidentiality, integrity, and availability (C:L/I:L/A:L), for an overall CVSS v3.1 base score of 7.1 (High). Attackers could potentially execute scripts in victims' browsers to steal session data or perform actions on their behalf within the site's context.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/bauernregeln/vulnerability/wordpress-bauernregeln-plugin-1-0-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve, which documents the vulnerability in the Bauernregeln plugin version 1.0.1. Security practitioners should check for plugin updates beyond 1.0.1 and apply input validation or content security policies as interim measures.

Details

CWE(s)
CWE-79

MITRE ATT&CK Enterprise Techniques

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 →
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 in public-facing WordPress plugin directly enables T1190 (exploiting the app remotely), T1059.007 (arbitrary JavaScript execution in browser), T1185 (browser session hijacking), and T1539 (stealing web session cookies/session data).

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

References