CVE-2026-39481 HIGH

CVE-2026-39481: WordPress Modula Image Gallery plugin <= 2.14.18 - PHP Object Injection vulnerability

Vendor Wp Chill

Product Modula Image Gallery

Weakness CWE-502 · Unsafe deserialization

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Author PHP Object Injection in Modula Image Gallery <= 2.14.18 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Modula Image Gallery versions up to 2.14.18 contain a deserialization vulnerability in how the plugin processes untrusted data. An authenticated administrator can craft malicious input that causes the plugin to deserialize and execute arbitrary code on the site. This requires high-level admin access but can lead to full site compromise.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site with full administrative privileges.

Potential impact on your site

04Site Impact

A compromised admin account can take over your entire WordPress installation and access all data.

Conditions required to exploit

05Prerequisites

Attacker must have WordPress administrator account access.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39481 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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