What is the CVSS score of CVE-2026-42734?

CVE-2026-42734 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Dylan Kuhn Geo Mashup are affected by CVE-2026-42734?

The Geo Mashup WordPress plugin (all versions through 1.13.19) contains a reflected cross-site scripting vulnerability allowing unauthenticated attackers to craft deceptive links that execute…

How to fix or mitigate CVE-2026-42734?

24 hours: Inventory all WordPress installations using Geo Mashup plugin and identify current versions; disable or remove the plugin from production if not critical to operations. 7 days: If plugin must remain active, implement Web Application Firewall rules blocking XSS payloads and deploy Content Security Policy headers (script-src 'self'); review access logs for exploitation attempts. 30 days: Evaluate replacement geolocation/mapping plugins without known vulnerabilities; if alternative found, develop and execute migration plan; if no replacement exists, formally document the plugin's deprecation timeline and establish ongoing monitoring and WAF rules.

Dylan Kuhn Geo Mashup CVE-2026-42734

EUVD-2026-32179 HIGH

Cross-site Scripting (XSS) (CWE-79)

2026-05-27 audit@patchstack.com

GHSA-jh8h-gfc6-89v8

XSS

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

May 27, 2026 - 20:50 vuln.today

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Dylan Kuhn Geo Mashup geo-mashup allows Reflected XSS.This issue affects Geo Mashup: from n/a through <= 1.13.19.

AnalysisAI

Reflected cross-site scripting in the Geo Mashup WordPress plugin (Dylan Kuhn) affects all versions up to and including 1.13.19, letting an unauthenticated attacker inject script that executes in a victim's browser when they click a crafted link. The CVSS 3.1 base score is 7.1 with a changed scope, reflecting that injected script can affect resources beyond the vulnerable component, though confidentiality, integrity, and availability impacts are each rated low. EPSS is very low (0.03%, 10th percentile) and there is no public exploit identified at time of analysis.