Critical severity · published Jul 13, 2026
CVE-2026-57738
WordPress 777 theme <= 1.13.0 - PHP Object Injection vulnerability
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
Deserialization of Untrusted Data vulnerability in axiomthemes 777 triple-seven allows Object Injection.This issue affects 777: from n/a through <= 1.13.0.
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)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
77
777 · axiomthemes
through 1.13.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57738
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57738
patchstack.com
https://patchstack.com/database/Wordpress/Theme/triple-seven/vulnerability/wordpress-777-theme-1-13-0-php-object-injection-vulnerability?_s_id=cve
More from 777
8.1
CVE-2025-58708
WordPress 777 theme <= 1.3 - Local File Inclusion vulnerability