Is CVE-2021-47979 actively exploited?

No active exploitation of CVE-2021-47979 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-47979 be exploited remotely?

Yes. CVE-2021-47979 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-47979?

CVE-2021-47979 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2021-47979

HIGH

CVE-2021-47979

CWE-22Published: May 16, 2026· Updated: May 18, 2026

8.8

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:15.1th

Official Description

WordPress Plugin Backup and Restore 1.0.3 contains an arbitrary file deletion vulnerability that allows authenticated attackers to delete files by manipulating parameters in AJAX requests. Attackers can send POST requests to admin-ajax.php with crafted file_name and folder_name parameters to delete arbitrary files from the WordPress installation directory.

NVD Source

Technical Analysis

CVE-2021-47979 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.