How severe is CVE-2021-24741?

CVE-2021-24741 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24741 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24741?

CVE-2021-24741 affects Schiocco Support Board - Chat And Help Desk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24741?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-24741 published?

CVE-2021-24741 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-24741

CVE-2021-24741 is a critical-severity vulnerability in Schiocco Support Board - Chat And Help Desk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Schiocco Support Board - Chat And Help Desk
Published: 2021-09-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-24741?: 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.
How severe is CVE-2021-24741?: CVE-2021-24741 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24741 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24741?: CVE-2021-24741 affects Schiocco Support Board - Chat And Help Desk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24741?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-24741 published?: CVE-2021-24741 was published on 2021-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schiocco:support_board_-_chat_and_help_desk:*:*:*:*:*:wordpress:*:*

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