What’s Vulnerable › Vulnerabilities

CVE-2021-24741: Support Board < 3.3.4 - Multiple Unauthenticated SQL Injections

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-20 · updated 2026-06-17
• Weakness: CWE-89

Description

The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users.

Affected products

• Schiocco Support Board - Chat And Help Desk: before 3.3.4 — fixed in 3.3.4

How to fix

Upgrade to a fixed version: Schiocco Support Board - Chat And Help Desk 3.3.4. Check the vendor advisory for mitigations.

References

• https://board.support/changes
• https://medium.com/%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9
• https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690ca
• https://board.support/changes
• https://medium.com/%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9
• https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690ca

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