---
id: CVE-2025-63072
title: >-
  Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in THEMECO Cornerstone cornerstone allows Stored
  XSS.This issue affects Cornerstone: from n/a through <= 7.7.3.
summary: >-
  Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in THEMECO Cornerstone cornerstone allows Stored
  XSS.This issue affects Cornerstone: from n/a through <= 7.7.3.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'
cwe:
  - CWE-79
published: '2025-12-09'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-63072'
references:
  - url: >-
      https://patchstack.com/database/Wordpress/Plugin/cornerstone/vulnerability/wordpress-cornerstone-plugin-7-7-3-cross-site-scripting-xss-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
epss: 0.00196
epssPercentile: 0.08462
ingestedAt: '2026-10-07T20:46:46.822Z'
---

## Overview

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in THEMECO Cornerstone cornerstone allows Stored XSS.This issue affects Cornerstone: from n/a through <= 7.7.3.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.