CVE-2021-3693 Cross-site Scripting (XSS) - DOM in ledgersmb/ledgersmb

2021-08-2312:41:57

CWE-79

@huntrdev

www.cve.org

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.022 Low

EPSS

Percentile

89.6%

JSON

LedgerSMB does not check the origin of HTML fragments merged into the browser’s DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

CNA Affected

[
  {
    "product": "ledgersmb/ledgersmb",
    "vendor": "ledgersmb",
    "versions": [
      {
        "status": "unaffected",
        "version": "1.7.33"
      },
      {
        "lessThan": "1.8.18",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]