CVE-2021-38339 - Vulnerability Details - OpenCVE

The Simple Matted Thumbnails WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/simple-matted-thumbnail.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.01.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.0021.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Devondev Subscribe	Simple Matted Thumbnails Subscribe

Configuration 1 [-]

cpe:2.3:a:devondev:simple_matted_thumbnails:*:*:*:*:*:wordpress:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-24792	The Simple Matted Thumbnails WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/simple-matted-thumbnail.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.01.

Fixes

Solution

Uninstall plugin from WordPress site.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://plugins.trac.wordpress.org/browser/simple-matted-thumbnails/tags/1.01/simple-matted-thumbnail.php#L122
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38339

History

Fri, 02 May 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2021-09-10T13:34:31.309Z

Updated: 2025-05-02T19:46:00.526Z

Reserved: 2021-08-09T00:00:00.000Z

Link: CVE-2021-38339

Vulnrichment

Updated: 2024-08-04T01:37:16.495Z

NVD

Status : Modified

Published: 2021-09-10T14:15:10.147

Modified: 2024-11-21T06:16:50.800

Link: CVE-2021-38339

Redhat

No data.

OpenCVE Enrichment

No data.

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