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Vulnerability record · CVE-2020-28672 · published 7 January 2021

CVE-2020-28672: Monocms vulnerability

Monocms · Monocms

MonoCMS Blog 1.0 is affected by incorrect access control that can lead to remote arbitrary code execution. At monofiles/category.php:27, user input can be saved to category/[foldername]/index.php causing RCE.

7.2 CVSS 3.1 High EPSS 12% · top 4.1%
7.2CVSS 3.1 base score, v2 9.0
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

MonoCMS Blog 1.0 is affected by incorrect access control that can lead to remote arbitrary code execution. At monofiles/category.php:27, user input can be saved to category/[foldername]/index.php causing RCE.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/fortest-1/vuln/blob/main/MonoCMS%20Blog/MonoCMS%20Blog%201.0_remote_code_execution.md ExploitThird Party Advisory
https://github.com/fortest-1/vuln/blob/main/MonoCMS%20Blog/MonoCMS%20Blog%201.0_remote_code_execution.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.1CVE-2020-25985Monocms path traversal vulnerabilityMonoCMS Blog 1.0 is affected by: Arbitrary File Deletion. Any authenticated user can delete files on and off the webserver (php files can be unlinked…EPSS 1.7%7.5CVE-2020-25987Monocms sensitive information in log file vulnerabilityMonoCMS Blog 1.0 stores hard-coded admin hashes in the log.xml file in the source files for MonoCMS Blog. Hash type is bcrypt and hashcat mode 3200 c…EPSS 1.6%6.5CVE-2020-25986Monocms cross-site request forgery vulnerabilityA Cross Site Request Forgery (CSRF) vulnerability in MonoCMS Blog 1.0 allows attackers to change the password of a user.EPSS 0.57%5.3CVE-2024-10928Monocms injection vulnerabilityA vulnerability was found in MonoCMS up to 20240528. It has been declared as problematic. Affected by this vulnerability is an unknown functionality …EPSS 0.39%5.3CVE-2024-10927Monocms injection vulnerabilityA vulnerability was found in MonoCMS up to 20240528. It has been classified as problematic. Affected is an unknown function of the file /monofiles/ac…EPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2020-28672), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.