Cyber Posture

CVE-2021-47979

HighPublic PoC

Published: 16 May 2026

Published
16 May 2026
Modified
16 May 2026
KEV Added
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Patch
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CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score N/A
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-47979 is a high-severity Path Traversal (CWE-22) vulnerability in Wordpress (inferred from references). Its CVSS base score is 8.8 (High).

Operationally, it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

NVD 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…

more

arbitrary files from the WordPress installation directory.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-22

Affected Products

Wordpress
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inferred from references and description; NVD did not file a CPE for this CVE

References