How severe is CVE-2021-24286?

CVE-2021-24286 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-2021-24286 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24286?

CVE-2021-24286 affects Mooveagency Redirect 404 To Parent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24286?

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

When was CVE-2021-24286 published?

CVE-2021-24286 was published on 2021-05-14 and last updated on 2026-06-17.

CVE-2021-24286

CVE-2021-24286 is a medium-severity vulnerability in Mooveagency Redirect 404 To Parent with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 14% 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: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mooveagency Redirect 404 To Parent
Published: 2021-05-14
Last modified: 2026-06-17

Description

The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24286?: The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue
How severe is CVE-2021-24286?: CVE-2021-24286 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-2021-24286 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24286?: CVE-2021-24286 affects Mooveagency Redirect 404 To Parent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24286?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24286 published?: CVE-2021-24286 was published on 2021-05-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mooveagency:redirect_404_to_parent:*:*:*:*:*:wordpress:*:*

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