egix@karmainsecurity ~ $

Tiki Wiki CMS Groupware <= 25.0 Two Cross-Site Request Forgery Vulnerabilities

• Software Link:

https://tiki.org

• Affected Versions:

Version 25.0 and prior versions.

• Vulnerabilities Description:

  1. The /tiki-importer.php script does not implement any protection against Cross-Site Request Forgery (CSRF) attacks. As such, an attacker might force an authenticated user to import arbitrary content (wiki pages) into TikiWiki by tricking a victim user into browsing to a specially crafted web page.

  2. The /tiki-import_sheet.php script does not implement any protection against Cross-Site Request Forgery (CSRF) attacks. As such, an attacker might force an authenticated user to import arbitrary sheets into TikiWiki by tricking a victim user into browsing to a specially crafted web page. Successful exploitation of this vulnerability requires the “Spreadsheets” feature to be enabled.

• Solution:

Upgrade to version 25.1 or later.

• Disclosure Timeline:

[06/03/2022] – Vendor notified

[09/01/2023] – Public disclosure

[01/03/2023] – Version 25.1 released

• CVE Reference:

The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2023-22852 to these vulnerabilities.

• Credits:

Vulnerabilities discovered by Egidio Romano.