CVE-2012-0911

CRITICAL

TikiWiki CMS/Groupware < 6.7 LTS & < 8.4 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2012-0911. PoCs published by Metasploit, EgiX, EgiX, juan vazquez, including Metasploit module exploits/unix/webapp/tikiwiki_unserialize_exec.

AI-analyzed exploit summary This Metasploit module exploits a PHP unserialize() vulnerability in Tiki Wiki <= 8.3 to achieve remote code execution by leveraging the __destruct() method of the Zend_Pdf_ElementFactory_Proxy class to write arbitrary PHP code to a file on the web server.

Description

TikiWiki CMS/Groupware before 6.7 LTS and before 8.4 allows remote attackers to execute arbitrary PHP code via a crafted serialized object in the (1) cookieName to lib/banners/bannerlib.php; (2) printpages or (3) printstructures parameter to (a) tiki-print_multi_pages.php or (b) tiki-print_pages.php; or (4) sendpages, (5) sendstructures, or (6) sendarticles parameter to tiki-send_objects.php, which is not properly handled when processed by the unserialize function.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubywebappsphp
https://www.exploit-db.com/exploits/19630

This Metasploit module exploits a PHP unserialize() vulnerability in Tiki Wiki <= 8.3 to achieve remote code execution by leveraging the __destruct() method of the Zend_Pdf_ElementFactory_Proxy class to write arbitrary PHP code to a file on the web server.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Tiki Wiki <= 8.3
No auth needed
Prerequisites: display_errors PHP setting must be On · Tiki Wiki Multiprint feature must be enabled · PHP version older than 5.3.4
devstral-2 · analyzed Feb 18, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by EgiX · phpwebappsphp
https://www.exploit-db.com/exploits/19573

This exploit leverages a PHP deserialization vulnerability in Tiki Wiki CMS Groupware <= 8.3 to achieve remote code execution. It constructs a malicious serialized object using Zend Framework classes to write a PHP shell to the target system.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Tiki Wiki CMS Groupware <= 8.3
No auth needed
Prerequisites: Target must be running Tiki Wiki CMS Groupware <= 8.3 · Multi-print feature must be enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
by EgiX, juan vazquez · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/tikiwiki_unserialize_exec.rb

This Metasploit module exploits a PHP unserialize() vulnerability in Tiki Wiki <= 8.3 to achieve remote code execution by leveraging the __destruct() method of the Zend_Pdf_ElementFactory_Proxy class to write arbitrary PHP code to a file on the server.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Tiki Wiki <= 8.3
No auth needed
Prerequisites: display_errors must be On · Multiprint feature must be enabled · PHP version older than 5.3.4
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/19630
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/19573
Broken Link vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/54298
Broken Link x_refsource_confirm
http://dev.tiki.org/item4109
Broken Link vdb-entry x_refsource_osvdb
http://osvdb.org/83534
Exploit mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2012-07/0020.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/76758
Release Notes x_refsource_confirm
http://info.tiki.org/article191-Tiki-Releases-8-4

Scores

CVSS v3 9.8
EPSS 0.7794
EPSS Percentile 99.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (2)
tiki/tikiwiki_cms\/groupware < 6.7
tiki/tikiwiki_cms\/groupware < 8.4
Published Jul 12, 2012
Tracked Since Feb 18, 2026