CVE-2026-22510 HIGH

CVE-2026-22510: WordPress Melody theme <= 1.6.3 - PHP Object Injection vulnerability

Vendor Ancorathemes

Product Melody

Weakness CWE-502 · Unsafe deserialization

Published March 25, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

8.1/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in AncoraThemes Melody melodyschool allows Object Injection.This issue affects Melody: from n/a through <= 1.6.3.

Explanation of Vulnerability in Simple Terms

02Summary

Melody versions up to 1.6.3 contain a deserialization vulnerability that allows attackers to execute arbitrary code on the site without authentication. The vulnerability exists in how the application processes untrusted serialized data. Attackers can exploit this remotely by sending specially crafted requests, potentially gaining full control of the site.

What an attacker can do

03Attacker Capabilities

Run their own code on the site and take full control without needing a user account.

Potential impact on your site

04Site Impact

Complete site compromise possible; attacker can read data, modify content, create accounts, or install malware.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

March 25, 2026 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-22510 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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