CVE-2023-6559

Name: CVE-2023-6559
Creator: NVD / NIST
Published: 2023-12-16T13:15:07.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.31%

Last modified Jun 17, 2026

CVE-2023-6559 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The MW WP Form plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 5.0.3. This is due to the plugin not properly validating the path of an uploaded file prior to deleting it. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

The MW WP Form plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 5.0.3. This is due to the plugin not properly validating the path of an uploaded file prior to deleting it. This makes it possible for unauthenticated attackers to delete arbitrary files, including the wp-config.php file, which can make site takeover and remote code execution possible.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.31%

67.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Web-Soudan	Mw Wp Form	< 5.0.4

References

https://plugins.trac.wordpress.org/changeset/3007879/mw-wp-formPatch
https://www.wordfence.com/threat-intel/vulnerabilities/id/412d555c-9bbd-42f5-8020-ccfc18755a79?source=cvePatch, Third Party Advisory
https://plugins.trac.wordpress.org/changeset/3007879/mw-wp-formPatch
https://www.wordfence.com/threat-intel/vulnerabilities/id/412d555c-9bbd-42f5-8020-ccfc18755a79?source=cvePatch, Third Party Advisory

Timeline

Published: Dec 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6559?

How severe is CVE-2023-6559?

CVE-2023-6559 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6559?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6559?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST