CVE-2026-57738 CRITICAL

CVE-2026-57738: WordPress 777 theme <= 1.13.0 - PHP Object Injection vulnerability

Vendor Axiomthemes

Product 777

Weakness CWE-502 · Unsafe deserialization

Published July 13, 2026

Last update July 13, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in axiomthemes 777 triple-seven allows Object Injection.This issue affects 777: from n/a through <= 1.13.0.

Explanation of Vulnerability in Simple Terms

02Summary

The 777 product by Axiom Themes contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on affected sites. The vulnerability exists in versions 1.13.0 and earlier. No user interaction is required to exploit this flaw. Attackers can gain full control over the site, including reading sensitive data, modifying content, and disrupting service.

What an attacker can do

03Attacker Capabilities

Run their own code on the site and take complete control without needing to log in.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

July 13, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57738 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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