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CVE-2025-32957

baserCMS: unsafe File Upload Leading to Remote Code Execution (RCE)

Published: Mar 31, 2026Updated: Apr 1, 2026 Sources: CVE List NVDCWE-434
NVD MITRE
8.7CVSSHIGH
EPSS Score
0.6%
Top 57.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

baserCMS is a website development framework. Prior to version 5.2.3, 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. This issue has been patched in version 5.2.3.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-434

Affected Products

basercmsbasercms
On-premWeb App
Web & CMS Plugins / cms-core
basercmsbaserproject
On-prem
Web & CMS Plugins / cms-core
basercmscommercialWeb & CMS Plugins
baserprojectoss-projectWeb & CMS Pluginsaka basercms

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Command and Control
Initial Access
Persistence
View detailed technique mapping

References

https://basercms.net/security/JVN_20837860
basercms.net
https://github.com/baserproject/basercms/releases/tag/5.2.3
github.com
https://github.com/baserproject/basercms/security/advisories/GHSA-hv78-cwp4-8r7r
github.com

Timeline

Published
Mar 31, 2026
Last Updated
Apr 1, 2026

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