How severe is CVE-2021-24284?

CVE-2021-24284 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-2021-24284 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24284?

CVE-2021-24284 affects Kaswara Project Kaswara. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24284?

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-2021-24284 published?

CVE-2021-24284 was published on 2021-05-14 and last updated on 2026-06-17.

CVE-2021-24284

CVE-2021-24284 is a critical-severity vulnerability in Kaswara Project Kaswara with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 42% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 42% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Kaswara Project Kaswara
Published: 2021-05-14
Last modified: 2026-06-17

Description

The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.

Frequently asked questions

What is CVE-2021-24284?: The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.
How severe is CVE-2021-24284?: CVE-2021-24284 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-2021-24284 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24284?: CVE-2021-24284 affects Kaswara Project Kaswara. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24284?: 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-2021-24284 published?: CVE-2021-24284 was published on 2021-05-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kaswara_project:kaswara:*:*:*:*:*:wordpress:*:*

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