Basercms
CVE-2023-25655
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK
2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
baserCMS is a Content Management system. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in composer
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. baserCMS is a Content Management system. Prior to version 4.7.5, any file may be uploaded on the management system of baserCMS. Version 4.7.5 contains a patch. Affected products include: Basercms. Version information: version 4.7.5.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
baserCMS is a Content Management system. Prior to version 4.7.5, any file may be uploaded on the management system of baserCMS. Version 4.7.5 contains a patch.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
Affected Products (CPE)NVD
In baserCMS before 4.1.4, lib\Baser\Model\ThemeConfig.php allows remote attackers to execute arbitrary PHP code via the
SQL injection vulnerability in the baserCMS 3.0.14 and earlier, 4.0.5 and earlier allows remote attackers to execute arb
baserCMS is a website development framework. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploita
baserCMS is a website development framework. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploita
baserCMS is a Content Management system. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable,
OS command injection in baserCMS installer prior to version 5.2.3 allows remote attackers to execute arbitrary system co
OS command injection in baserCMS update functionality allows authenticated administrators to execute arbitrary commands
OS command injection in baserCMS core update functionality allows authenticated administrators to execute arbitrary syst
baserCMS 3.0.14 and earlier, 4.0.5 and earlier allows an attacker to execute arbitrary PHP code on the server via unspec
Cross-site request forgery (CSRF) vulnerability in baserCMS plugin Mail version 3.0.10 and earlier allows remote attacke
Cross-site request forgery (CSRF) vulnerability in baserCMS plugin Blog version 3.0.10 and earlier allows remote attacke
Cross-site request forgery (CSRF) vulnerability in baserCMS version 3.0.10 and earlier allows remote attackers to hijack
Exploit-DB