How severe is CVE-2021-4351?

CVE-2021-4351 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-4351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4351?

CVE-2021-4351 affects Najeebmedia Frontend File Manager Plugin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4351?

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

When was CVE-2021-4351 published?

CVE-2021-4351 was published on 2023-06-07 and last updated on 2026-06-17.

CVE-2021-4351

CVE-2021-4351 is a medium-severity vulnerability in Najeebmedia Frontend File Manager Plugin with a CVSS 3.x base score of 5.8. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Najeebmedia Frontend File Manager Plugin
Published: 2023-06-07
Last modified: 2026-06-17

Description

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Post Meta Change in versions up to, and including, 18.2. This is due to lacking authentication protections, capability checks, and sanitization, all on the wpfm_file_meta_update AJAX action. This makes it possible for unauthenticated attackers to change the meta data of certain posts and pages.

Frequently asked questions

What is CVE-2021-4351?: The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Post Meta Change in versions up to, and including, 18.2. This is due to lacking authentication protections, capability checks, and sanitization, all on the wpfm_file_meta_update AJAX action. This makes it possible for unauthenticated attackers to change the meta data of certain posts and pages.
How severe is CVE-2021-4351?: CVE-2021-4351 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-4351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4351?: CVE-2021-4351 affects Najeebmedia Frontend File Manager Plugin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4351 published?: CVE-2021-4351 was published on 2023-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:najeebmedia:frontend_file_manager_plugin:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Najeebmedia Frontend File Manager Plugin

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CVE-2021-4356 — Critical (CVSS 9.0): The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Download in versions…
CVE-2021-4365 — High (CVSS 7.2): The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting in versions…
CVE-2021-4350 — High (CVSS 7.2): The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated HTML Injection in versions up to, and…
CVE-2023-5105 — Medium (CVSS 6.5): The Frontend File Manager Plugin WordPress plugin before 22.6 has a vulnerability that allows an Editor+ user to bypass…
CVE-2021-4359 — Medium (CVSS 6.5): The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary Post Deletion in versions up…

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