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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-41250

Python discord bot is the community bot for the Python Discord community. In affected versions when a non-blacklisted URL and an otherwise triggering filter token is included in the same message the token filter does not trigger. This means that by including any non-blacklisted URL moderation filters can be bypassed. This issue has been resolved in commit 67390298852513d13e0213870e50fb3cff1424e0

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-41250
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:20 UTC · Revision 1

Source evidence

CVE-2021-41250

core-osv · Original source

Published 5 Nov 2021, 23:15 UTC

Python discord bot is the community bot for the Python Discord community. In affected versions when a non-blacklisted URL and an otherwise triggering filter token is included in the same message the token filter does not trigger. This means that by including any non-blacklisted URL moderation filters can be bypassed. This issue has been resolved in commit 67390298852513d13e0213870e50fb3cff1424e0

osv:CVE-2021-41250
Complete source record
{
  "id": "d687c0aac1218a04bf16d5ce6fec7739374190b7a392a0aeb4a8746724cf9baa",
  "url": "https://osv.dev/vulnerability/CVE-2021-41250",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41250",
    "summary": "Python discord bot is the community bot for the Python Discord community. In affected versions when a non-blacklisted URL and an otherwise triggering filter token is included in the same message the token filter does not trigger. This means that by including any non-blacklisted URL moderation filters can be bypassed. This issue has been resolved in commit 67390298852513d13e0213870e50fb3cff1424e0",
    "evidence": "osv:CVE-2021-41250",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-41250",
      "aliases": [
        "CVE-2021-41250",
        "GHSA-j8c3-8x46-8pp6"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/python-discord/bot",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "67390298852513d13e0213870e50fb3cff1424e0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pythondiscord:bot:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "67390298852513d13e0213870e50fb3cff1424e0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "67390298852513d13e0213870e50fb3cff1424e0"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41250.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:58.951198735Z",
      "provider": "osv",
      "references": [
        "https://github.com/python-discord/bot/commit/67390298852513d13e0213870e50fb3cff1424e0",
        "https://github.com/python-discord/bot/security/advisories/GHSA-j8c3-8x46-8pp6"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41250",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384800,
  "published_at": "2021-11-05T23:15:08.79+00:00"
}