CVE-2013-0803

CRITICAL

PolarBear CMS 2.5 - Unauthenticated Arbitrary File Upload via upload.php

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2013-0803. PoCs published by Metasploit, Fady Mohamed Osman, including Metasploit module exploits/multi/http/polarcms_upload_exec.

AI-analyzed exploit summary This Metasploit module exploits an unauthenticated file upload vulnerability in PolarPearCms via the upload.php script, allowing arbitrary PHP code execution. It uploads a malicious PHP payload to a writable directory and triggers execution via HTTP request.

Description

A PHP File Upload Vulnerability exists in PolarBear CMS 2.5 via upload.php, which could let a malicious user execute arbitrary code.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotephp
https://www.exploit-db.com/exploits/24549

This Metasploit module exploits an unauthenticated file upload vulnerability in PolarPearCms via the upload.php script, allowing arbitrary PHP code execution. It uploads a malicious PHP payload to a writable directory and triggers execution via HTTP request.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: PolarPearCms (version not specified)
No auth needed
Prerequisites: Target server running PolarPearCms with writable upload directory
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
by Fady Mohamed Osman · rubypocphp
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/polarcms_upload_exec.rb

This Metasploit module exploits an unauthenticated file upload vulnerability in PolarBear CMS, allowing arbitrary PHP code execution by uploading a malicious file to a writable directory and triggering it via HTTP request.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: PolarBear CMS (version not specified, CVE-2013-0803)
No auth needed
Prerequisites: Network access to the target · Writable upload directory
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://www.exploit-db.com/exploits/24549
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/82378
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://packetstormsecurity.com/files/cve/CVE-2013-0803

Scores

CVSS v3 9.8
EPSS 0.8394
EPSS Percentile 99.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (1)
polarbear_cms_project/polarbear_cms 2.5
Published Feb 11, 2020
Tracked Since Feb 18, 2026