What’s Vulnerable › Vulnerabilities

CVE-2021-24916: Qubely < 1.8.6 - Unauthenticated Arbitrary E-mail Sending

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-07 · updated 2026-06-17

Description

The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.

Affected products

• Themeum Qubely: before 1.8.6 — fixed in 1.8.6

How to fix

Upgrade to a fixed version: Themeum Qubely 1.8.6. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5
• https://wpscan.com/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5

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