{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.72"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "942c45bedf7e17f9eb1051c9478b78621b366d44"
            }
          ],
          "repo": "https://github.com/kellan/magpierss",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Because of a incorrect escaped exec command in MagpieRSS in 0.72 in the /extlib/Snoopy.class.inc file, it is possible to add a extra command to the curl binary. This creates an issue on the /scripts/magpie_debug.php and /scripts/magpie_simple.php page that if you send a specific https url in the RSS URL field, you are able to execute arbitrary commands.",
  "id": "CVE-2021-28940",
  "modified": "2026-03-13T21:58:45.017935942Z",
  "published": "2021-04-02T20:15:13.317Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660"
    },
    {
      "type": "EVIDENCE",
      "url": "https://pastebin.com/kpzHKKJu"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.exploit-db.com/exploits/49643"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}