How severe is CVE-2021-24664?

CVE-2021-24664 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24664?

CVE-2021-24664 affects Igexsolutions Wpschoolpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24664?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24664 published?

CVE-2021-24664 was published on 2021-11-08 and last updated on 2026-06-17.

CVE-2021-24664

CVE-2021-24664 is a medium-severity vulnerability in Igexsolutions Wpschoolpress with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Igexsolutions Wpschoolpress
Published: 2021-11-08
Last modified: 2026-06-17

Description

The School Management System – WPSchoolPress WordPress plugin before 2.1.17 sanitise some fields using sanitize_text_field() but does not escape them before outputting in attributes, resulting in Stored Cross-Site Scripting issues.

Frequently asked questions

What is CVE-2021-24664?: The School Management System – WPSchoolPress WordPress plugin before 2.1.17 sanitise some fields using sanitize_text_field() but does not escape them before outputting in attributes, resulting in Stored Cross-Site Scripting issues.
How severe is CVE-2021-24664?: CVE-2021-24664 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24664?: CVE-2021-24664 affects Igexsolutions Wpschoolpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24664 published?: CVE-2021-24664 was published on 2021-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:igexsolutions:wpschoolpress:*:*:*:*:*:wordpress:*:*

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