Reflected XSS in XStore Core Plugin Allows Webpage Injection

Publication date: 2026-03-25

Last updated on: 2026-04-23

Assigner: Patchstack

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 8theme XStore Core et-core-plugin allows Reflected XSS.This issue affects XStore Core: from n/a through <= 5.6.4.

CVSS Scores

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Meta Information

Published

2026-03-25

Last Modified

2026-04-23

Generated

2026-07-07

AI Q&A

2026-03-25

EPSS Evaluated

2026-07-05

NVD

CVE-2026-25306

EUVD

EUVD-2026-15637

Affected Vendors & Products

Vendor	Product	Version / Range
8theme	xstore_core	to 5.6.4 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Cross-site Scripting (XSS) issue found in the 8theme XStore Core plugin, specifically in versions up to and including 5.6.4. It occurs due to improper neutralization of input during web page generation, which allows an attacker to inject malicious scripts that are reflected back to users.

Impact Analysis

The vulnerability can allow attackers to execute malicious scripts in the context of a user's browser session. This can lead to theft of sensitive information, session hijacking, defacement of websites, or redirection to malicious sites.

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