How severe is CVE-2021-24177?

CVE-2021-24177 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24177?

CVE-2021-24177 affects Filemanagerpro File Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24177?

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

When was CVE-2021-24177 published?

CVE-2021-24177 was published on 2021-04-05 and last updated on 2026-06-17.

CVE-2021-24177

CVE-2021-24177 is a medium-severity vulnerability in Filemanagerpro File Manager with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Filemanagerpro File Manager
Published: 2021-04-05
Last modified: 2026-06-17

Description

In the default configuration of the File Manager WordPress plugin before 7.1, a Reflected XSS can occur on the endpoint /wp-admin/admin.php?page=wp_file_manager_properties when a payload is submitted on the User-Agent parameter. The payload is then reflected back on the web application response.

Frequently asked questions

What is CVE-2021-24177?: In the default configuration of the File Manager WordPress plugin before 7.1, a Reflected XSS can occur on the endpoint /wp-admin/admin.php?page=wp_file_manager_properties when a payload is submitted on the User-Agent parameter. The payload is then reflected back on the web application response.
How severe is CVE-2021-24177?: CVE-2021-24177 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24177?: CVE-2021-24177 affects Filemanagerpro File Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24177 published?: CVE-2021-24177 was published on 2021-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:filemanagerpro:file_manager:*:*:*:*:*:wordpress:*:*

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