Monstra: >> Monstra Cms Security Vulnerabilities
Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager plugin. The application relies on blacklist-based file extension validation and stores uploaded files directly in a web-accessible directory. Under typical server configurations, this can allow an attacker to upload files that are interpreted as executable code, resulting in remote code execution.
CVSS Score
8.8
EPSS Score
0.002
Published
2026-02-05
An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via bypassing the file extension filter and uploading crafted HTML files.
CVSS Score
6.5
EPSS Score
0.002
Published
2021-09-27
Cross Site Scripting vulnerabilty in Monstra CMS 3.0.4 via the page feature in admin/index.php.
CVSS Score
5.4
EPSS Score
0.264
Published
2021-07-06
Monstra CMS 3.0.4 allows attackers to execute arbitrary code via a crafted payload entered into the "Snippet content" field under the "Edit Snippet" module.
CVSS Score
8.8
EPSS Score
0.01
Published
2021-07-01
A stored cross site scripting (XSS) vulnerability in Monstra CMS version 3.0.4 allows attackers to execute arbitrary web scripts or HTML via crafted a payload entered into the "Site Name" field under the "Site Settings" module.
CVSS Score
5.4
EPSS Score
0.002
Published
2021-07-01
Monstra CMS 3.0.4 allows an attacker, who already has administrative access to modify .chunk.php files on the Edit Chunk screen, to execute arbitrary OS commands via the Theme Module by visiting the admin/index.php?id=themes&action=edit_chunk URI. NOTE: there is no indication that the Edit Chunk feature was intended to prevent an administrator from using PHP's exec feature
CVSS Score
7.2
EPSS Score
0.004
Published
2020-06-09
Monstra CMS 1.6 allows XSS via an uploaded SVG document to the admin/index.php?id=filesmanager&path=uploads/ URI. NOTE: this is a discontinued product.
CVSS Score
5.4
EPSS Score
0.004
Published
2020-03-02
Monstra CMS 3.0.4 and earlier has XSS via index.php.
CVSS Score
6.1
EPSS Score
0.045
Published
2019-07-03
plugins/box/users/users.plugin.php in Monstra CMS 3.0.4 allows Login Rate Limiting Bypass via manipulation of the login_attempts cookie.
CVSS Score
9.8
EPSS Score
0.004
Published
2018-06-05