CVE-2026-73341 CRITICAL

CVE-2026-73341: WordPress RegistrationMagic plugin <= 6.0.9.7 - PHP Object Injection vulnerability

Vendor Metagauss

Product RegistrationMagic

Weakness CWE-502 · Unsafe deserialization

Published August 18, 2026

Last update August 18, 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

Unauthenticated PHP Object Injection in RegistrationMagic <= 6.0.9.7 versions.

Explanation of Vulnerability in Simple Terms

02Summary

RegistrationMagic versions up to 6.0.9.7 contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site without user interaction. The vulnerability exists in how the product processes untrusted serialized data. An attacker can exploit this remotely over the network to gain full control of the affected installation.

What an attacker can do

03Attacker Capabilities

Run arbitrary 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 backdoors, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 18, 2026 CVE published

August 18, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-73341 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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