{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.8.4"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "551702a31751ac1f98ea89e1ef62794294f6f3a2"
            },
            {
              "fixed": "e35f7c195d8c1103d2d981a48cda5ab45ecac48a"
            }
          ],
          "repo": "https://github.com/b2evolution/b2evolution",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.",
  "id": "CVE-2017-5539",
  "modified": "2026-04-01T23:10:28.014080904Z",
  "published": "2017-01-23T07:59:00.500Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/95700"
    },
    {
      "type": "FIX",
      "url": "http://b2evolution.net/downloads/6-8-5"
    },
    {
      "type": "FIX",
      "url": "https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a"
    },
    {
      "type": "FIX",
      "url": "https://github.com/b2evolution/b2evolution/issues/36"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}