How severe is CVE-2021-24870?

CVE-2021-24870 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-2021-24870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24870?

CVE-2021-24870 affects Wpfastestcache Wp Fastest Cache. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24870?

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

Does CVE-2021-24870 have an EU (EUVD) identifier?

Yes. CVE-2021-24870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-11782.

When was CVE-2021-24870 published?

CVE-2021-24870 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2021-24870

CVE-2021-24870 is a medium-severity vulnerability in Wpfastestcache Wp Fastest Cache with a CVSS 3.x base score of 6.1. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-11782
Weakness: CWE-352
Affected product: Wpfastestcache Wp Fastest Cache
Published: 2024-01-16
Last modified: 2026-06-17

Description

The WP Fastest Cache WordPress plugin before 0.9.5 is lacking a CSRF check in its wpfc_save_cdn_integration AJAX action, and does not sanitise and escape some the options available via the action, which could allow attackers to make logged in high privilege users call it and set a Cross-Site Scripting payload

Frequently asked questions

What is CVE-2021-24870?: The WP Fastest Cache WordPress plugin before 0.9.5 is lacking a CSRF check in its wpfc_save_cdn_integration AJAX action, and does not sanitise and escape some the options available via the action, which could allow attackers to make logged in high privilege users call it and set a Cross-Site Scripting payload
How severe is CVE-2021-24870?: CVE-2021-24870 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-2021-24870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24870?: CVE-2021-24870 affects Wpfastestcache Wp Fastest Cache. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-24870 have an EU (EUVD) identifier?: Yes. CVE-2021-24870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-11782.
When was CVE-2021-24870 published?: CVE-2021-24870 was published on 2024-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpfastestcache:wp_fastest_cache:*:*:*:*:*:wordpress:*:*

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