CVE-2005-1049

PostNuke 0.760-RC3 - Cross-Site Scripting via Module Parameter or OP Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2005-1049. PoCs published by Dcrab.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in PostNuke by injecting arbitrary JavaScript code via the 'op' parameter in the user.php URL. The payload triggers an alert displaying the user's cookies, proving the vulnerability.

Description

Multiple cross-site scripting vulnerabilities in PostNuke 0.760-RC3 allow remote attackers to inject arbitrary web script or HTML via the (1) module parameter to admin.php or (2) op parameter to user.php. NOTE: the vendor reports that certain issues could not be reproduced for 760 RC3, or for .750. However, the op/user.php issue exists when the pnAntiCracker setting is disabled.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Dcrab · textwebappsphp
https://www.exploit-db.com/exploits/25366

This exploit demonstrates a cross-site scripting (XSS) vulnerability in PostNuke by injecting arbitrary JavaScript code via the 'op' parameter in the user.php URL. The payload triggers an alert displaying the user's cookies, proving the vulnerability.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: PostNuke (version not specified)
No auth needed
Prerequisites: Victim must visit the crafted URL
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Dcrab · textwebappsphp
https://www.exploit-db.com/exploits/25367

This exploit demonstrates a cross-site scripting (XSS) vulnerability in PostNuke by injecting arbitrary JavaScript code via the 'module' parameter in the admin.php URL. The PoC uses a simple alert to display the user's cookies, proving the vulnerability.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: PostNuke (version not specified)
No auth needed
Prerequisites: Access to a vulnerable PostNuke instance · User interaction to trigger the XSS payload
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (10)

Core 10
Core References
Various Sources x_refsource_misc
http://digitalparadox.org/advisories/postnuke.txt
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/15370
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=111298226029957&w=2
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/13076
Exploit, Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/14868/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1013670
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/13075
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/20018

Scores

EPSS 0.0354
EPSS Percentile 87.8%

Details

Status published
Products (1)
postnuke_software_foundation/postnuke 0.760_rc3
Published May 02, 2005
Tracked Since Feb 18, 2026