Adding pages exposes CSRF token

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 6.2 EE GA1 (6.2.10), 7.0 DE (7.0.10), 7.1 DXP (7.1.10), 7.2 DXP (7.2.10)
• Fix Version/s: 7.1.x EE, 7.2.X EE
• Component/s: Security Vulnerability, WCM > Sites Management > Pages Administration
• Labels:
  • liferay-fixpack-dxp-19-7110
  • liferay-fixpack-dxp-6-7210
  • lsv
  • lsv-682
  • sev-3
• CVE IDs: CVE-2021-33338
• CVSS Base Score: 3.1
• CVSS Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
• 7.1 Fix Pack Version: 19
• 7.2 Fix Pack Version: 6

The Layout module in Liferay DXP 7.0, 7.1 and 7.2 exposes the CSRF token in URLs, which allows man-in-the-middle attackers to obtain the token and conduct Cross-Site Request Forgery (CSRF) attacks via the p_auth parameter.