What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WalkerWP Walker Core walker-core allows DOM-Based XSS.This issue affects Walker Core: from n/a through <= 1.3.17.
Explanation of Vulnerability in Simple Terms
02Summary
Walker Core versions up to 1.3.17 contain a stored cross-site scripting (XSS) vulnerability. An attacker with low-level access can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction to trigger and can affect multiple users across the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers and steal their session data or perform actions on their behalf.
Potential impact on your site
04Site Impact
Attackers with low privileges can compromise other users' accounts and sessions, potentially escalating to admin access or data theft.
Conditions required to exploit
05Prerequisites
Attacker needs low-level site access (e.g., contributor or subscriber role) and the victim must view a page containing the injected script.
Key dates
06Disclosure timeline
December 9, 2025
CVE published
April 28, 2026
Record updated