How severe is CVE-2021-24926?

CVE-2021-24926 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24926?

CVE-2021-24926 affects Domaincheckplugin Domain Check. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24926?

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

When was CVE-2021-24926 published?

CVE-2021-24926 was published on 2022-02-01 and last updated on 2026-06-17.

CVE-2021-24926

CVE-2021-24926 is a medium-severity vulnerability in Domaincheckplugin Domain Check with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Domaincheckplugin Domain Check
Published: 2022-02-01
Last modified: 2026-06-17

Description

The Domain Check WordPress plugin before 1.0.17 does not sanitise and escape the domain parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24926?: The Domain Check WordPress plugin before 1.0.17 does not sanitise and escape the domain parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting issue
How severe is CVE-2021-24926?: CVE-2021-24926 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24926?: CVE-2021-24926 affects Domaincheckplugin Domain Check. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24926 published?: CVE-2021-24926 was published on 2022-02-01 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/8cc7cbbd-f74f-4f30-9483-573641fea733

Affected products (1)

cpe:2.3:a:domaincheckplugin:domain_check:*:*:*:*:*:wordpress:*:*

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