How severe is CVE-2021-24403?

CVE-2021-24403 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24403?

CVE-2021-24403 affects Wpagecontact Project Wpagecontact. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24403?

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

When was CVE-2021-24403 published?

CVE-2021-24403 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-24403

CVE-2021-24403 is a high-severity vulnerability in Wpagecontact Project Wpagecontact with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Wpagecontact Project Wpagecontact
Published: 2021-09-20
Last modified: 2026-06-17

Description

The Orders functionality in the WordPress Page Contact plugin through 1.0 has an order_id parameter which is not sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection. The feature is available to low privilege users such as contributors

Frequently asked questions

What is CVE-2021-24403?: The Orders functionality in the WordPress Page Contact plugin through 1.0 has an order_id parameter which is not sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection. The feature is available to low privilege users such as contributors
How severe is CVE-2021-24403?: CVE-2021-24403 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24403?: CVE-2021-24403 affects Wpagecontact Project Wpagecontact. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24403?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24403 published?: CVE-2021-24403 was published on 2021-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpagecontact_project:wpagecontact:*:*:*:*:*:wordpress:*:*

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