What’s Vulnerable › Vulnerabilities

CVE-2023-23640: WordPress MainWP UpdraftPlus Extension Plugin <= 4.0.6 - Subscriber+ Arbitrary Plugin Activation Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-09 · updated 2026-06-17
• Weakness: CWE-862

Description

Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.

Affected products

• MainWP UpdraftPlus Extension: before 4.0.7 — fixed in 4.0.7

How to fix

Upgrade to a fixed version: MainWP UpdraftPlus Extension 4.0.7. Check the vendor advisory for mitigations.

References

• https://patchstack.com/database/vulnerability/mainwp-updraftplus-extension/wordpress-mainwp-updraftplus-extension-plugin-4-0-6-subscriber-arbitrary-plugin-activation-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/mainwp-updraftplus-extension/wordpress-mainwp-updraftplus-extension-plugin-4-0-6-subscriber-arbitrary-plugin-activation-vulnerability?_s_id=cve

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