The XStore Core plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to 5.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2025-64190 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin XStore Core. It affects Versions before 5.6 and is fixed in 5.6.
Use the related hub and response guides to connect this CVE-2025-64190 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2025-64190 is tracked for the Plugin XStore Core as medium severity with CVSS 6.4. The affected range is Versions before 5.6. Update XStore Core to 5.6 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions before 5.6.
Confirm XStore Core is updated to 5.6 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
et-core-plugin
View on wordpress.org
|
| CVE | CVE-2025-64190 |
| Patched Versions |
5.6
|
| Affected Versions |
Versions before 5.6
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
XStore Core <= 5.3.8 - Unauthenticated SQL Injection
XStore Core <= 5.3.8 - Authenticated (Subscriber+) Limited Arbitrary File Upload
XStore Core <= 5.3.8 - Unauthenticated PHP Object Injection
XStore Core <= 5.3.8 - Unauthenticated Privilege Escalation
XStore Core <= 5.3.8 - Authenticated (Subscriber+) Local File Inclusion
XStore Core <= 5.3.8 - Authenticated (Subscriber+) Limited Arbitrary File Download
XStore Core < 5.7 - Authenticated (Contributor+) Stored Cross-Site Scripting
XStore Core <= 5.3.8 - Missing Authorization
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