CVE intelligence and bounded remediation

CVE-2021-24741 — Schiocco Support Board - Chat And Help Desk security vulnerability

Critical CVSS 9.8

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.

Severity
Critical
CVSS
9.8 (3.1)
Published
2021-09-20
CISA KEV
Not currently listed
Ecosystem
php/wordpress
Weaknesses
CWE-89

Affected products

  • schiocco / support_board_-_chat_and_help_desk

Matched remediation archetype

SQL and data-query injection

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Check exposure

  • Trace request, message, file, and stored values into SQL, ORM query fragments, filters, sort expressions, and other data-query languages.
  • Inventory database roles, reachable schemas, multi-tenant boundaries, and whether stacked or administrative operations are enabled.
  • Check both direct queries and second-order use of previously stored values.

Remediate safely

  • Use parameterized queries or safe query builders for all values; map identifiers and operators through explicit allowlists.
  • Remove raw query concatenation and give the application account only the tables and operations it requires.
  • Update affected data-access components and add regression tests for query structure preservation with inert edge-case inputs.

Authoritative sources

Complete CVE record and remediation plan

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