CVE-2021-21370 Cross-Site Scripting in Content Preview (CType menu)

2021-03-2301:55:12

CWE-79

GitHub_M

www.cve.org

typo3

cross-site scripting

content preview

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

26.2%

JSON

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type menu are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.

CNA Affected

[
  {
    "product": "TYPO3.CMS",
    "vendor": "TYPO3",
    "versions": [
      {
        "status": "affected",
        "version": ">= 7.0.0, <= 7.6.50"
      },
      {
        "status": "affected",
        "version": ">= 8.0.0, <= 8.7.39"
      },
      {
        "status": "affected",
        "version": ">= 9.0.0, <= 9.5.24"
      },
      {
        "status": "affected",
        "version": ">= 10.0.0, <= 10.4.13"
      },
      {
        "status": "affected",
        "version": ">= 11.0.0, <= 11.1.0"
      }
    ]
  }
]