Medium severity · published Dec 9, 2025
CVE-2025-63072
WordPress Cornerstone plugin <= 7.7.3 - Cross Site Scripting (XSS) vulnerability
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Cornerstone · THEMECO
through 7.7.3 · source: vendor
Affected product
CO
Cornerstone
THEMECO
More from Cornerstone
8.5
CVE-2026-54185
WordPress Cornerstone plugin < 7.8.8 - SQL Injection vulnerability
8.5
CVE-2026-49113
WordPress Cornerstone plugin < 7.8.8 - Arbitrary Code Execution vulnerability