CVE-2026-57371 HIGH

CVE-2026-57371: WordPress WPJAM Basic plugin <= 7.0 - PHP Object Injection vulnerability

Vendor Denishua

Product WPJAM Basic

Weakness CWE-502 · Unsafe deserialization

Published July 13, 2026

Last update July 13, 2026

View on NVD All CVEs

CVSS base score

8.8/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in denishua WPJAM Basic wpjam-basic allows Object Injection.This issue affects WPJAM Basic: from n/a through <= 7.0.

Explanation of Vulnerability in Simple Terms

02Summary

WPJAM Basic versions 7.0 and earlier contain a deserialization vulnerability that allows authenticated users to execute arbitrary code on the site. An attacker with low-level access can craft malicious serialized data to trigger code execution with full site privileges. This affects all installations running the vulnerable version range.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site with full administrative privileges.

Potential impact on your site

04Site Impact

Any authenticated user can compromise the entire site, steal data, modify content, or install backdoors.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account (subscriber or above) on the WordPress site.

Key dates

06Disclosure timeline

July 13, 2026 CVE published

July 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57371 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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