MainWP vulnerabilities
We track 7 vulnerabilities in MainWP products across 7 products. 7 are rated high or critical, and none are known to be exploited. The most recent was published on October 8, 2026.
Latest MainWP vulnerabilities
- 8.8 High severity
MainWP Child: Deserialization of Untrusted Data
Deserialization of Untrusted Data vulnerability in MainWP MainWP Child mainwp-child allows Object Injection.This issue affects MainWP Child: from n/a through 6.2.1.
- 8.1 High severity
MainWP Child – Securely Connects to the MainWP…: Missing Authorization
The MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites plugin for WordPress is vulnerable to privilege escalation due to a missing authorization checks on the register_site function in all versions up to, and including, 5.2 when
- 8.8 High severity
MainWP Child Reports: Cross-Site Request Forgery
The MainWP Child Reports plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.2. This is due to missing or incorrect nonce validation on the network_options_action() function. This makes it possible for unaut
- 9.9 Critical severity
MainWP Code Snippets Extension: Improper Control of Generation of Code
Improper Control of Generation of Code ('Code Injection') vulnerability in MainWP MainWP Code Snippets Extension allows Code Injection.This issue affects MainWP Code Snippets Extension: from n/a through 4.0.2.
- 8.1 High severity
MainWP Links Manager Extension: Deserialization of Untrusted Data
Deserialization of Untrusted Data vulnerability in MainWP MainWP Links Manager Extension.This issue affects MainWP Links Manager Extension: from n/a through 2.1.
- 10.0 Critical severity
MainWP File Uploader Extension: Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type vulnerability in MainWP MainWP File Uploader Extension.This issue affects MainWP File Uploader Extension: from n/a through 4.1.
- 7.5 High severity
MainWP Child – Securely Connects to the MainWP…: Exposure of Sensitive Information to an Unauthorized Actor
The MainWP Child plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.4.1.1 due to insufficient controls on the storage of back-up files. This makes it possible for unauthenticated attackers to extract sensit