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CVE-2021-4382

Good to know:

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Date: June 6, 2023

The Recently plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the fetch_external_image() function in versions up to, and including, 3.0.4. This makes it possible for authenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Language: PHP

Severity Score

Related Resources (6)

https://www.wordfence.com/threat-intel/vulnerabilities/id/f8297149-2de3-4e49-80f9-6ea59dea6bce?source=cve
https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-recently-multiple-vulnerabilities-3-0-4/
https://nvd.nist.gov/vuln/detail/CVE-2021-4382
https://plugins.trac.wordpress.org/changeset/2542693
https://wpscan.com/vulnerability/92c3f26a-1a84-459a-874b-07dc83c9f42a
https://www.mend.io/vulnerability-database/CVE-2021-4382

Severity Score

Weakness Type (CWE)

Unrestricted Upload of File with Dangerous Type

CWE-434

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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