Critical severity · published Jun 16, 2026
CVE-2026-39529
WordPress Elementra theme <= 1.0.9 - PHP Object Injection vulnerability
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
Unauthenticated PHP Object Injection in Elementra <= 1.0.9 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
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
EL
Elementra · ThemeREX Group
through 1.0.9 · source: vendor