PostNuke PostCalendar 3.0 Calendar Preview cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in PostNuke PostCalendar 3.0. It has been classified as problematic. This affects an unknown part of the component Calendar Preview Handler. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2002-0739. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in PostNuke PostCalendar 3.0 (Content Management System) and classified as critical. Affected by this vulnerability is an unknown code block of the component Calendar Preview Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cross-site scripting in PostCalendar 3.02 allows remote attackers to insert arbitrary HTML and script, and steal cookies, by modifying a calendar entry in its preview page.

The bug was discovered 04/20/2002. The weakness was published 08/12/2002 (Website). The advisory is shared at archives.neohapsis.com. This vulnerability is known as CVE-2002-0739. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 114 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10611 (PostCalendar 3.0 Cross Site Scripting Vulnerability).

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 databases at X-Force (8899), SecurityFocus (BID 4563†), OSVDB (9242†) and Vulnerability Center (SBV-6388†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/20/2002 🔍
04/20/2002 +0 days 🔍
08/12/2002 +114 days 🔍
08/12/2002 +0 days 🔍
08/12/2002 +0 days 🔍
12/12/2004 +853 days 🔍
07/22/2014 +3509 days 🔍
06/04/2019 +1778 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2002-0739 (🔍)
GCVE (CVE): GCVE-0-2002-0739
GCVE (VulDB): GCVE-100-18625
X-Force: 8899
SecurityFocus: 4563 - PostCalendar 3.0 Cross Site Scripting Vulnerability
OSVDB: 9242 - PostCalendar - Cross Site Scripting Issue
Vulnerability Center: 6388 - XSS in PostCalendar 3.0 Allows Stealing User\x27s Cookie-Based Authentication Credentials, Medium

Entryinfo

Created: 07/22/2014 23:07
Updated: 06/04/2019 06:33
Changes: 07/22/2014 23:07 (60), 06/04/2019 06:33 (3)
Complete: 🔍
Cache ID: 216::103

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

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