How severe is CVE-2021-4222?

CVE-2021-4222 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-2021-4222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4222?

CVE-2021-4222 affects Maxfoundry Wp-paginate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4222?

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

When was CVE-2021-4222 published?

CVE-2021-4222 was published on 2022-02-28 and last updated on 2026-06-17.

CVE-2021-4222

CVE-2021-4222 is a medium-severity vulnerability in Maxfoundry Wp-paginate 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: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Maxfoundry Wp-paginate
Published: 2022-02-28
Last modified: 2026-06-17

Description

The WP-Paginate WordPress plugin before 2.1.4 does not sanitise and escape its preset settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

Frequently asked questions

What is CVE-2021-4222?: The WP-Paginate WordPress plugin before 2.1.4 does not sanitise and escape its preset settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed
How severe is CVE-2021-4222?: CVE-2021-4222 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-2021-4222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4222?: CVE-2021-4222 affects Maxfoundry Wp-paginate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4222 published?: CVE-2021-4222 was published on 2022-02-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:maxfoundry:wp-paginate:*:*:*:*:*:wordpress:*:*

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