HIGH

CVE-2021-24311

CVSS v3

8.8

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-24311 yet.

Full record on NVD

Description

The wp_ajax_upload-remote-file AJAX action of the External Media WordPress plugin before 1.0.34 was vulnerable to arbitrary file uploads via any authenticated users.

Technical details

Published: 2021-06-01

Frequently asked questions

What is CVE-2021-24311?

The wp_ajax_upload-remote-file AJAX action of the External Media WordPress plugin before 1.0.34 was vulnerable to arbitrary file uploads via any authenticated users.

Is CVE-2021-24311 actively exploited?

Active exploitation of CVE-2021-24311 has not been confirmed. Its EPSS score was 1.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24311?

CVE-2021-24311 has a CVSS v3 base score of 8.8 (HIGH severity).

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