Postnuke 0.64/0.70/0.71/0.703 IMG Tag 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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3.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Postnuke 0.64/0.70/0.71/0.703. The impacted element is an unknown function of the component IMG Tag Handler. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2002-0535. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Postnuke 0.64/0.70/0.71/0.703 (Content Management System) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component IMG Tag 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 integrity. The summary by CVE is:

Cross-site scripting vulnerabilities in PostBoard 2.0.1 and earlier allows remote attackers to execute script as other users via (1) an [IMG] tag when BBCode is enabled, or (2) in a topic title.

The bug was discovered 04/16/2002. The weakness was published 07/03/2002 (Website). It is possible to read the advisory at online.securityfocus.com. This vulnerability is known as CVE-2002-0535. 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. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 78 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 10609 (PostBoard Topic Title Script Execution 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 (8881), Exploit-DB (21401), SecurityFocus (BID 4559†), OSVDB (9247†) and Vulnerability Center (SBV-6401†). Statistical analysis made it clear that VulDB provides the best quality for 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-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2002 🔍
04/19/2002 +3 days 🔍
07/03/2002 +75 days 🔍
07/03/2002 +0 days 🔍
07/03/2002 +0 days 🔍
12/12/2004 +893 days 🔍
07/11/2014 +3498 days 🔍
09/16/2025 +4085 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com⛔
Status: Not defined

CVE: CVE-2002-0535 (🔍)
GCVE (CVE): GCVE-0-2002-0535
GCVE (VulDB): GCVE-100-18355
X-Force: 8881
SecurityFocus: 4559 - PostBoard BBCode IMG Tag Script Injection Vulnerability
OSVDB: 9247 - PostBoard IMG tag cross-site scripting
Vulnerability Center: 6401 - XSS in PostBoard 2.0, 2.0.1 via IMG Tag, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/11/2014 14:18
Updated: 09/16/2025 12:20
Changes: 07/11/2014 14:18 (57), 06/03/2019 20:30 (3), 01/26/2025 04:07 (27), 09/16/2025 12:20 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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