CVE-2025-32957: Baserproject/basercms Remote Code Execution Vulnerability

HIGH
Advisory Identifier: GHSA-hv78-cwp4-8r7r
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CVSS 8.7
CWE-434
Published
Advisory Summary

CVE-2025-32957 is a HIGH (CVSS 8.7) remote code execution vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Baserproject/basercms libraries in the Packagist ecosystem. The issue involves basercms has unsafe file upload leading to remote code execution (rce). Remediation is available by upgrading affected packages to version 5.2.3.

CVE-2025-32957 at a Glance

CVE Identifier CVE-2025-32957
GHSA Identifier GHSA-hv78-cwp4-8r7r
Severity HIGH
CVSS v3.1 Base Score 8.7
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Baserproject/basercms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction None (UI:N)
Scope Changed (S:C)
Confidentiality High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2025-32957

To remediate this vulnerability, upgrade all affected Baserproject/basercms dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

baserproject/basercms fixed: 5.2.3 
Upgrade baserproject/basercms to 5.2.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for baserproject/basercms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-32957, inspect your project dependencies for Baserproject/basercms:

inspect dependencies for baserproject/basercms

Analyze the terminal output to locate any version of Baserproject/basercms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.2.3), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Baserproject/basercms, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Details The application's restore function allows users to upload a `.zip` file, which is then automatically extracted. A PHP file inside the archive is included using `require_once` without validating or restricting the filename. An attacker can craft a malicious PHP file within the zip and achieve arbitrary code execution when it is included. Vector: Malicious ZIP upload + insecure `require_once` ### PoC 1. Restore backup ![image](https://github.com/user-attachments/assets/9e59768a-4a8e-472d-aaef-5d54546080f6) 1. Load file shell (insecure `require_once`) ![image](https://github.com/user-attachments/assets/8f7919a2-c7f3-4ae1-af6c-1b0057e4ba22) ![image](https://github.com/user-attachments/assets/c10ef049-459d-429e-a608-8fb220c3387f) ### Impact Remote Code Execution (RCE)

CVE-2025-32957 Affected Baserproject/basercms Versions

1 component(s)
Fixed Versions:
5.2.3
Product / Package Ecosystem Affected Versions Fixed Version
baserproject/basercms
 Packagist
< 5.2.3
5.2.3

References

GitHub Advisory / Wiki ADVISORY
https://github.com/baserproject/basercms/security/advisories/GHSA-hv78-cwp4-8r7r
NVD — CVE-2025-32957 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-32957
Baserproject/basercms Security Information SECURITY
https://basercms.net/security/JVN_20837860
Baserproject/basercms Source Repository REPOSITORY
https://github.com/baserproject/basercms
Baserproject/basercms Release RELEASE
https://github.com/baserproject/basercms/releases/tag/5.2.3

Frequently Asked Questions

What is CVE-2025-32957?
CVE-2025-32957 is a security vulnerability in Baserproject/basercms involving baserCMS has Unsafe File Upload Leading to Remote Code Execution (RCE) under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Baserproject/basercms versions are affected?
Affected versions include releases prior to 5.2.3 across affected packages: baserproject/basercms.
What version fixes CVE-2025-32957?
Upgrading to 5.2.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is baserproject/basercms affected?
Yes, baserproject/basercms is affected in releases prior to 5.2.3. Upgrade your dependency to 5.2.3 or later.
What is the CVSS score of CVE-2025-32957?
CVE-2025-32957 has a CVSS v3.1 base score of 8.7 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.
What CWE is associated with CVE-2025-32957?
CVE-2025-32957 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2025-32957?
Run the dependency tree command: 'inspect dependencies for baserproject/basercms'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-hv78-cwp4-8r7r",
  "modified" : "2026-03-31T22:22:18Z",
  "published" : "2026-03-31T22:22:18Z",
  "aliases" : [ "CVE-2025-32957" ],
  "summary" : "baserCMS has Unsafe File Upload Leading to Remote Code Execution (RCE)",
  "details" : "### Details\nThe application's restore function allows users to upload a `.zip` file, which is then automatically extracted. A PHP file inside the archive is included using `require_once` without validating or restricting the filename. An attacker can craft a malicious PHP file within the zip and achieve arbitrary code execution when it is included.\n\nVector: Malicious ZIP upload + insecure `require_once`\n\n### PoC\n1. Restore backup\n   ![image](https://github.com/user-attachments/assets/9e59768a-4a8e-472d-aaef-5d54546080f6)\n1. Load file shell (insecure `require_once`)\n   ![image](https://github.com/user-attachments/assets/8f7919a2-c7f3-4ae1-af6c-1b0057e4ba22)\n   ![image](https://github.com/user-attachments/assets/c10ef049-459d-429e-a608-8fb220c3387f)\n\n### Impact\nRemote Code Execution (RCE)",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "baserproject/basercms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.2.3"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 5.2.2"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/baserproject/basercms/security/advisories/GHSA-hv78-cwp4-8r7r"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-32957"
  }, {
    "type" : "WEB",
    "url" : "https://basercms.net/security/JVN_20837860"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/baserproject/basercms"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/baserproject/basercms/releases/tag/5.2.3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-31T22:22:18Z",
    "nvd_published_at" : "2026-03-31T01:16:34Z"
  }
}