Critical severity · published Oct 29, 2026
CVE-2026-54860
WordPress Ozisti theme <= 1.1.10 - PHP Object Injection vulnerability
New
9.8
CVSS
–
EPSS
No
On KEV
Description
Unauthenticated PHP Object Injection in Ozisti <= 1.1.10 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?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OZ
Ozisti · ThemeREX
through 1.1.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-54860
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-54860
vdb-entry
https://patchstack.com/database/wordpress/theme/ozisti/vulnerability/wordpress-ozisti-theme-1-1-10-php-object-injection-vulnerability?_s_id=cve
More from Ozisti
8.1
CVE-2026-28093
WordPress Ozisti theme <= 1.1.10 - Local File Inclusion vulnerability