AI plugin APIs can be triggered using post actions

{
  "id": "d8f8c5fbb3c7c60464d0a810c8c76c388229ba05182410e47beb98a22d858594",
  "url": "https://osv.dev/vulnerability/CVE-2025-47700",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "AI plugin APIs can be triggered using post actions",
    "summary": "Mattermost Server versions 10.5.x <= 10.5.9 utilizing the Agents plugin fail to reject empty request bodies which allows users to trick users into clicking malicious links via post actions",
    "evidence": "osv:CVE-2025-47700",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-47700",
      "aliases": [
        "CVE-2025-47700",
        "GHSA-vqwh-5jhh-vc9p",
        "GO-2025-3906"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mattermost/mattermost",
              "type": "GIT",
              "events": [
                {
                  "introduced": "58bd34fd34cbd7d3da777d627b6cffdf8a532930"
                },
                {
                  "fixed": "c602a4a78e1f60b9a97ee5bce509ecad4177340c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.5.0"
                      },
                      {
                        "fixed": "10.5.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v10.5.9-rc4",
            "v10.5.9-rc3",
            "v10.5.9-rc2",
            "v10.5.9-rc1",
            "v10.5.8",
            "v10.5.8-rc1",
            "v10.5.7",
            "v10.5.6-rc1",
            "v10.5.6",
            "v10.5.5",
            "v10.5.5-rc1",
            "v10.5.4-rc2",
            "v10.5.4",
            "v10.5.4-rc1",
            "v10.5.3",
            "v10.5.3-rc1",
            "v10.5.2",
            "v10.5.1",
            "v10.5.1-rc2",
            "v10.5.1-rc1",
            "v10.5.0-rc6",
            "v10.5.0",
            "@mattermost/types@10.5.0",
            "@mattermost/client@10.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-47700.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.286257282Z",
      "provider": "osv",
      "references": [
        "https://mattermost.com/security-updates",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47700.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-47700"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "Mattermost",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.5.0"
                  },
                  {
                    "last_affected": "10.5.8"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47700.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-47700",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510136,
  "published_at": "2025-08-21T07:28:37.22+00:00"
}