What’s Vulnerable › Vulnerabilities

CVE-2021-24194: Login Protection - Limit Failed Login Attempts < 2.9 - Arbitrary Plugin Installation/Activation via Low Privilege User

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-14 · updated 2026-06-17
• Weakness: CWE-285

Description

Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Login Protection - Limit Failed Login Attempts WordPress plugin before 2.9, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.

Affected products

• wp-buy Login Protection – Limit Failed Login Attempts: before 2.9 — fixed in 2.9

How to fix

Upgrade to a fixed version: wp-buy Login Protection – Limit Failed Login Attempts 2.9. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/74889e29-5349-43d1-baf5-1622493be90c
• https://wpscan.com/vulnerability/74889e29-5349-43d1-baf5-1622493be90c

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