Cyber Posture

CVE-2024-56289

High

Published: 07 January 2025

Published
07 January 2025
Modified
23 April 2026
KEV Added
Patch
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 0.0755 91.9th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-56289 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 in the top 8.1% 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).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.
Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

prevent

SI-15 mandates filtering of information outputs, directly preventing reflected XSS payloads from being improperly neutralized and executed during web page generation.

prevent

SI-10 enforces validation of inputs, blocking malicious payloads before they can be reflected in web pages by the Groundhogg plugin.

prevent

SI-2 requires timely flaw remediation, such as patching the Groundhogg plugin beyond version 3.7.3.3 to eliminate the specific XSS vulnerability.

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

Reflected XSS in public-facing WordPress plugin directly enables remote exploitation of the web application (T1190) via malicious links requiring user interaction (T1204.001) to achieve JavaScript execution in the browser (T1059.007).

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1

NVD Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Adrian Tobey Groundhogg groundhogg allows Reflected XSS.This issue affects Groundhogg: from n/a through <= 3.7.3.3.

Deeper analysisAI

CVE-2024-56289 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the Groundhogg WordPress plugin developed by Adrian Tobey. The issue impacts all versions of Groundhogg from n/a through 3.7.3.3. It has 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 high severity due to network accessibility, low attack complexity, no required privileges, user interaction, and changed scope with low impacts on confidentiality, integrity, and availability.

Attackers can exploit this vulnerability remotely without authentication by tricking a user into interacting with a maliciously crafted link or input that reflects unsanitized data back into the web page. Upon execution in the victim's browser, the XSS payload can lead to low-level impacts such as limited data exfiltration, minor tampering, or denial of service within the context of the affected site, potentially affecting other users due to the changed scope.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-3-7-3-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve provides details on the vulnerability, including recommendations for mitigation such as updating to a patched version of the Groundhogg plugin beyond 3.7.3.3. Security practitioners should review the advisory for specific patch instructions and workarounds.

Details

CWE(s)

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References