CVE-2011-5148

EXPLOITED IN THE WILD

mod_simplefileupload < 1.3.5 - Remote Code Execution via Incomplete Blacklist Bypass

Title source: manual
STIX 2.1

Exploitation Summary

CVE-2011-5148 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io). EIP tracks 1 public exploit from researchers including gmda.

AI-analyzed exploit summary This PHP script exploits a file upload vulnerability in Simple File Upload v1.3 for Joomla, allowing remote code execution by uploading a malicious file disguised as an image. The exploit sends a crafted multipart/form-data POST request to bypass file type restrictions.

Description

Multiple incomplete blacklist vulnerabilities in the Simple File Upload (mod_simplefileuploadv1.3) module before 1.3.5 for Joomla! allow remote attackers to execute arbitrary code by uploading a file with a (1) php5, (2) php6, or (3) double (e.g. .php.jpg) extension, then accessing it via a direct request to the file in images/, as exploited in the wild in January 2012.

Exploits (1)

exploitdb WORKING POC
by gmda · phpwebappsphp
https://www.exploit-db.com/exploits/18287

This PHP script exploits a file upload vulnerability in Simple File Upload v1.3 for Joomla, allowing remote code execution by uploading a malicious file disguised as an image. The exploit sends a crafted multipart/form-data POST request to bypass file type restrictions.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Simple File Upload v1.3 (Joomla module)
No auth needed
Prerequisites: Joomla with Simple File Upload v1.3 installed · No CAPTCHA enabled in module settings
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/18287
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/72023
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/51214
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/51234
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/78122
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/47370

Scores

EPSS 0.2119
EPSS Percentile 95.8%

Details

VulnCheck KEV 2012-08-31
InTheWild.io 2017-08-29
Status published
Products (3)
wasen/mod_simplefileupload 1.0
wasen/mod_simplefileupload 1.1
wasen/mod_simplefileupload < 1.3
Published Aug 31, 2012
Tracked Since Feb 18, 2026