CVE-2024-28235 HIGH

CVE-2024-28235: Contao possible cookie sharing with external domains while checking protected pages for broken links

Vendor Contao
Product contao
Weakness CWE-200 · Info exposure
Published April 9, 2024
Last update August 2, 2024

CVSS base score

8.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Contao is an open source content management system. Starting in version 4.9.0 and prior to versions 4.13.40 and 5.3.4, when checking for broken links on protected pages, Contao sends the cookie header to external urls as well, the passed options for the http client are used for all requests. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable crawling protected pages.

Key dates

02Disclosure timeline

April 9, 2024 CVE published
August 2, 2024 Record updated