Joomla CMS 1.5.0 Beta1/1.5.0 Beta2/1.5.0 RC1 Installer administrator/index.php option input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Joomla CMS 1.5.0 Beta1/1.5.0 Beta2/1.5.0 RC1 (Content Management System). It has been declared as critical. This vulnerability affects some unknown functionality of the file administrator/index.php of the component Installer. The manipulation of the argument option with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity, and availability. CVE summarizes:

administrator/index.php in the installer component (com_installer) in Joomla! 1.5 Beta1, Beta2, and RC1 allows remote authenticated administrators to upload arbitrary files to tmp/ via the "Upload Package File" functionality, which is accessible when com_installer is the value of the option parameter.

The weakness was presented 09/01/2007 by Silent (Website). The advisory is available at This vulnerability was named CVE-2007-4781 since 09/10/2007. The exploitation appears to be difficult. The attack can be initiated remotely. A single authentication is required for exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. By approaching the search of inurl:administrator/index.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (36424). See 38697, 38696, 38695 and 38694 for similar entries.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


09/01/2007 🔍
09/01/2007 +0 days 🔍
09/10/2007 +8 days 🔍
09/10/2007 +0 days 🔍
06/02/2008 +266 days 🔍
03/16/2015 +2477 days 🔍
07/21/2021 +2319 days 🔍



Researcher: Silent
Status: Not defined

CVE: CVE-2007-4781 (🔍)
X-Force: 36424
SecurityFocus: 25508 - Joomla! 1.5 Multiple Input Validation Vulnerabilities
OSVDB: 45888 - Joomla! Installer Component (com_installer) administrator/index.php Arbitrary File Upload

scip Labs:
See also: 🔍


Created: 03/16/2015 12:18 PM
Updated: 07/21/2021 07:47 PM
Changes: 03/16/2015 12:18 PM (48), 04/21/2019 09:55 AM (14), 07/21/2021 07:47 PM (2)
Complete: 🔍


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