Critical severity · published Apr 8, 2026
CVE-2026-39640
WordPress Theme Editor plugin <= 3.2 - Cross Site Request Forgery (CSRF) to Remote Code Execution vulnerability
9.6
CVSS
0.1%
EPSS
No
On KEV
Description
Cross-Site Request Forgery (CSRF) vulnerability in mndpsingh287 Theme Editor theme-editor allows Code Injection.This issue affects Theme Editor: from n/a through <= 3.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Theme Editor · mndpsingh287
through 3.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-39640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-39640
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/theme-editor/vulnerability/wordpress-theme-editor-plugin-3-2-cross-site-request-forgery-csrf-to-remote-code-execution-vulnerability?_s_id=cve
More from Theme Editor
8.8
CVE-2025-9890
Theme Editor <= 3.0 - Cross-Site Request Forgery to Remote Code Execution
7.2
CVE-2022-2440
Theme Editor <= 2.8 - Authenticated (Admin+) PHAR Deserialization
7.2
CVE-2023-6091
WordPress Theme Editor plugin <= 2.7.1 - Arbitrary File Upload vulnerability
4.3
CVE-2025-14469
Theme Editor <= 3.1 - Cross-Site Request Forgery to CSS Modification