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CVE-2023-51682: WordPress MC4WP plugin <= 4.9.9 - Broken Access Control vulnerability

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-11 · updated 2026-06-17
• Weakness: CWE-862

Description

Missing Authorization vulnerability in ibericode MC4WP.This issue affects MC4WP: from n/a through 4.9.9.

Affected products

• dvankooten MC4WP: Mailchimp for WordPress: before 4.9.10 — fixed in 4.9.10

How to fix

Upgrade to a fixed version: dvankooten MC4WP: Mailchimp for WordPress 4.9.10. Check the vendor advisory for mitigations.

References

• https://patchstack.com/database/vulnerability/mailchimp-for-wp/wordpress-mc4wp-plugin-4-9-9-broken-access-control-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/mailchimp-for-wp/wordpress-mc4wp-plugin-4-9-9-broken-access-control-vulnerability?_s_id=cve

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