Cyber Resilience

CVE-2025-23879

High

Published: 03 March 2025

Published
03 March 2025
Modified
23 April 2026
KEV Added
—
Patch
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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 0.0035 57.6th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-23879 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 Malicious Link (T1204.001); ranked in the top 42.4% of CVEs by exploit likelihood; 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-2025-23879 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the PillarDev Easy Automatic Newsletter Lite WordPress plugin (easy-automatic-newsletter). This issue affects all versions of the plugin from n/a through 3.2.0.

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 it is exploitable over the network with low attack complexity, no required privileges, but necessitating user interaction such as clicking a malicious link. Remote attackers can leverage reflected XSS to inject and execute arbitrary scripts in a user's browser within the context of the vulnerable site, potentially leading to limited impacts on confidentiality, integrity, and availability due to the changed scope.

The Patchstack advisory provides further details on the vulnerability in the WordPress Easy Automatic Newsletter Lite plugin version 3.2.0 at https://patchstack.com/database/Wordpress/Plugin/easy-automatic-newsletter/vulnerability/wordpress-easy-automatic-newsletter-lite-plugin-3-2-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PillarDev Easy Automatic Newsletter Lite easy-automatic-newsletter allows Reflected XSS.This issue affects Easy Automatic Newsletter Lite: from n/a through <= 3.2.0.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1204.001 Malicious Link Execution
An adversary may rely upon a user clicking a malicious link in order to gain execution.
attack.mitre.org →
T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
attack.mitre.org →
Why these techniques?

Reflected XSS enables crafting malicious links (T1204.001) that trigger arbitrary JavaScript execution in the victim's browser (T1059.007).

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

CVEs Like This One

CVE-2025-26583Shared CWE-79
CVE-2026-24943Shared CWE-79
CVE-2025-22711Shared CWE-79
CVE-2025-23736Shared CWE-79
CVE-2025-23885Shared CWE-79
CVE-2025-23624Shared CWE-79
CVE-2025-23888Shared CWE-79
CVE-2024-13891Shared CWE-79
CVE-2025-68894Shared CWE-79
CVE-2025-23492Shared CWE-79

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-15 Information Output Filtering good match
prevent

Directly mitigates reflected XSS by filtering information output to detect and remove malicious scripts before rendering in web pages.

SI-10 Information Input Validation good match
prevent

Prevents improper neutralization of input by validating all user inputs to the WordPress plugin against expected formats, blocking malicious payloads.

SI-2 Flaw Remediation good match
prevent

Addresses the specific flaw in the Easy Automatic Newsletter Lite plugin by requiring timely remediation through patching versions up to 3.2.0.

References