CVE-2026-49113: WordPress Cornerstone plugin < 7.8.8 - Arbitrary Code Execution vulnerability

High severity · published Jun 16, 2026

CVE-2026-49113

WordPress Cornerstone plugin < 7.8.8 - Arbitrary Code Execution vulnerability

8.5

CVSS

0.4%

EPSS

On KEV

Description

Subscriber Arbitrary Code Execution in Cornerstone < 7.8.8 versions.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack vector

Network

Complexity

High

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 31% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Cornerstone · THEMECO

before 7.8.8 · source: vendor

Affected product

Cornerstone

THEMECO

All Cornerstone CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-49113

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-49113

patchstack.com

https://patchstack.com/database/wordpress/plugin/cornerstone/vulnerability/wordpress-cornerstone-plugin-7-8-8-arbitrary-code-execution-vulnerability?_s_id=cve