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:

No official solution is currently available.

• Disclosure Timeline:

[06/03/2022] – Vendor notified
[09/01/2023] – Public disclosure

• CVE Reference:

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

• Credits:

Vulnerabilities discovered by Egidio Romano.