PostNuke up to 0.761a pnapi.php pnsecureinput htmltext cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in PostNuke. It has been classified as problematic. This affects the function pnsecureinput of the file pnapi.php. The manipulation of the argument htmltext leads to cross site scripting. This vulnerability is uniquely identified as CVE-2006-0800. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in PostNuke (Content Management System). It has been rated as problematic. This issue affects the function pnsecureinput of the file pnapi.php. The manipulation of the argument htmltext with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Interpretation conflict in PostNuke 0.761 and earlier allows remote attackers to conduct cross-site scripting (XSS) attacks via HTML tags with a trailing "<" character, which is interpreted as a ">" character by some web browsers but bypasses the blacklist protection in (1) the pnVarCleanFromInput function in pnAPI.php, (2) the pnSecureInput function in pnAntiCracker.php, and (3) the htmltext parameter in an edituser operation to user.php.

The weakness was disclosed 02/20/2006 by Maksymilian Arciemowicz (Website). The advisory is shared at xforce.iss.net. The identification of this vulnerability is CVE-2006-0800 since 02/20/2006. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is declared as proof-of-concept. By approaching the search of inurl:pnapi.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 20969 (PostNuke < 0.762 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (24823), Tenable (20969), SecurityFocus (BID 16752†), OSVDB (23434†) and Secunia (SA18937†). The entries VDB-28819 and VDB-28818 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20969
Nessus Name: PostNuke < 0.762 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/20/2006 🔍
02/20/2006 +0 days 🔍
02/20/2006 +0 days 🔍
02/21/2006 +1 days 🔍
02/21/2006 +0 days 🔍
02/21/2006 +0 days 🔍
02/22/2006 +1 days 🔍
02/27/2006 +5 days 🔍
03/12/2015 +3300 days 🔍
06/14/2019 +1555 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Maksymilian Arciemowicz
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-0800 (🔍)
GCVE (CVE): GCVE-0-2006-0800
GCVE (VulDB): GCVE-100-28817
X-Force: 24823
SecurityFocus: 16752 - PostNuke Multiple Input Validation Vulnerabilities
Secunia: 18937 - PostNuke Multiple Vulnerabilities, Moderately Critical
OSVDB: 23434 - PostNuke Multiple Module Direct Request Authentication Bypass
Vulnerability Center: 10473 - PostNuke XSS Attacks via HTML Tags, Medium
Vupen: ADV-2006-0673

See also: 🔍

Entryinfo

Created: 03/12/2015 11:11
Updated: 06/14/2019 16:47
Changes: 03/12/2015 11:11 (70), 06/14/2019 16:47 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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