Cyber Posture

CVE-2025-26586

High

Published: 03 March 2025

Published
03 March 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 0.0023 45.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Description

Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.

Security Summary

CVE-2025-26586 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Events Planner WordPress plugin developed by abelony. The issue affects all versions of the events-planner plugin up to and including 1.3.10, as published on 2025-03-03.

An unauthenticated remote attacker can exploit this vulnerability by crafting malicious input that is reflected without proper neutralization during web page generation, requiring user interaction such as clicking a malicious link. Successful exploitation executes arbitrary scripts in the victim's browser context within the site's scope, 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), enabling low impacts to confidentiality, integrity, and availability due to the changed scope.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/events-planner/vulnerability/wordpress-events-planner-plugin-1-3-10-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

Details

CWE(s)
CWE-79

MITRE ATT&CK Enterprise Techniques

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
Why these techniques?

The reflected XSS vulnerability enables an attacker to inject and execute arbitrary JavaScript in the victim's browser by reflecting malicious input via a crafted URL/link to the vulnerable public-facing WordPress plugin site, directly facilitating drive-by compromise where a user visits the site and the malicious script executes in their browser context.

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

References