How severe is CVE-2021-24472?

CVE-2021-24472 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-2021-24472 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 57% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24472?

CVE-2021-24472 primarily affects Qantumthemes Kentharadio. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-24472?

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-2021-24472 published?

CVE-2021-24472 was published on 2021-08-02 and last updated on 2026-06-17.

CVE-2021-24472

CVE-2021-24472 is a critical-severity vulnerability in Qantumthemes Kentharadio with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 57% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 57% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Qantumthemes Kentharadio
Published: 2021-08-02
Last modified: 2026-06-17

Description

The OnAir2 WordPress theme before 3.9.9.2 and QT KenthaRadio WordPress plugin before 2.0.2 have exposed proxy functionality to unauthenticated users, sending requests to this proxy functionality will have the web server fetch and display the content from any URI, this would allow for SSRF (Server Side Request Forgery) and RFI (Remote File Inclusion) vulnerabilities on the website.

Frequently asked questions

What is CVE-2021-24472?: The OnAir2 WordPress theme before 3.9.9.2 and QT KenthaRadio WordPress plugin before 2.0.2 have exposed proxy functionality to unauthenticated users, sending requests to this proxy functionality will have the web server fetch and display the content from any URI, this would allow for SSRF (Server Side Request Forgery) and RFI (Remote File Inclusion) vulnerabilities on the website.
How severe is CVE-2021-24472?: CVE-2021-24472 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-2021-24472 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 57% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24472?: CVE-2021-24472 primarily affects Qantumthemes Kentharadio. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-24472?: 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-2021-24472 published?: CVE-2021-24472 was published on 2021-08-02 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/17591ac5-88fa-4cae-a61a-4dcf5dc0b72a

Affected products (2)

cpe:2.3:a:qantumthemes:kentharadio:*:*:*:*:*:wordpress:*:*
cpe:2.3:a:qantumthemes:onair2:*:*:*:*:*:wordpress:*:*

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