CVE-2005-2539

FlatNuke 2.5.5 - Cross-Site Scripting via Multiple Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2005-2539. PoCs published by rgod.

AI-analyzed exploit summary This exploit demonstrates multiple XSS vulnerabilities in FlatNuke by injecting malicious JavaScript via unsanitized input parameters in the 'structure.php' file. The PoC uses simple script tags to trigger an alert with the victim's cookies.

Description

Multiple cross-site scripting (XSS) vulnerabilities in FlatNuke 2.5.5 and possibly earlier versions allow remote attackers to inject arbitrary web script or HTML via the (1) bodycolor, (2) backimage, (3) theme, or (4) logo parameter to structure.php, (5) admin, (6) admin_mail, or (7) back parameter to footer.php, or (8) the message body in a news post.

Exploits (2)

exploitdb WORKING POC VERIFIED
by rgod · textwebappsphp
https://www.exploit-db.com/exploits/26098

This exploit demonstrates multiple XSS vulnerabilities in FlatNuke by injecting malicious JavaScript via unsanitized input parameters in the 'structure.php' file. The PoC uses simple script tags to trigger an alert with the victim's cookies.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: FlatNuke (version not specified)
No auth needed
Prerequisites: Access to the target FlatNuke installation
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by rgod · textwebappsphp
https://www.exploit-db.com/exploits/26099

This exploit demonstrates multiple XSS vulnerabilities in FlatNuke by injecting script tags into URL parameters. The PoC uses simple JavaScript alerts to confirm cookie theft potential.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: FlatNuke (version not specified)
No auth needed
Prerequisites: Access to the target web application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/21707
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/21708
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/14483
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/18552
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=112327238030127&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/16330
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/18553
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/18551

Scores

EPSS 0.0253
EPSS Percentile 82.8%

Details

Status published
Products (1)
flatnuke/flatnuke 2.5.5
Published Aug 10, 2005
Tracked Since Feb 18, 2026