CVE-2009-4168

WP-Cumulus < 1.23 - Cross-Site Scripting via Tagcloud Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-4168. PoCs published by MustLive.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in WP-Cumulus plugin for WordPress by injecting malicious JavaScript code via the 'tagcloud' parameter in the SWF file. The vulnerability allows arbitrary script execution in the context of the affected site.

Description

Cross-site scripting (XSS) vulnerability in Roy Tanck tagcloud.swf, as used in the WP-Cumulus plugin before 1.23 for WordPress and the Joomulus module 2.0 and earlier for Joomla!, allows remote attackers to inject arbitrary web script or HTML via the tagcloud parameter in a tags action. Cross-site scripting (XSS) vulnerability in tagcloud.swf in the WP-Cumulus Plug-in before 1.23 for WordPress allows remote attackers to inject arbitrary web script or HTML via the tagcloud parameter.

Exploits (1)

exploitdb WORKING POC VERIFIED
by MustLive · textwebappsphp
https://www.exploit-db.com/exploits/33371

This exploit demonstrates a cross-site scripting (XSS) vulnerability in WP-Cumulus plugin for WordPress by injecting malicious JavaScript code via the 'tagcloud' parameter in the SWF file. The vulnerability allows arbitrary script execution in the context of the affected site.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: WP-Cumulus plugin for WordPress < 1.23
No auth needed
Prerequisites: Access to the vulnerable WP-Cumulus plugin endpoint
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (16)

Core 16
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/508606/100/0/threaded
Exploit, Third Party Advisory x_refsource_misc
http://packetstormsecurity.org/1001-exploits/joomlajvclouds-xss.txt
Various Sources x_refsource_misc
http://websecurity.com.ua/3789/
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/55156
Exploit x_refsource_misc
http://websecurity.com.ua/3665/
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/508833/100/0/threaded
Various Sources x_refsource_misc
http://websecurity.com.ua/3801/
Various Sources x_refsource_misc
http://websecurity.com.ua/3839/
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/508071/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37483
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/3322
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/38161
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/37100
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/54397
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/37479

Scores

EPSS 0.0549
EPSS Percentile 91.7%

Details

CWE
CWE-79
Status published
Products (19)
roytanck/wp-cumulus 1.00
roytanck/wp-cumulus 1.01
roytanck/wp-cumulus 1.02
roytanck/wp-cumulus 1.2.1
roytanck/wp-cumulus 1.03
roytanck/wp-cumulus 1.04
roytanck/wp-cumulus 1.05
roytanck/wp-cumulus 1.10
roytanck/wp-cumulus 1.11
roytanck/wp-cumulus 1.12
... and 9 more
Published Dec 02, 2009
Tracked Since Feb 18, 2026