Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

{
  "id": "0e35e69f3d5cc50728992c324cb88b70054ce789280d54573787dc425ca6bcc1",
  "url": "https://osv.dev/vulnerability/CVE-2026-82881",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown",
    "summary": "Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execute in users' browsers when viewed.",
    "evidence": "osv:CVE-2026-82881",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-82881",
      "aliases": [
        "CVE-2026-82881"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apconw/aix-db",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b568a0f3b18ecead9f7d38bb78017f664d54a1a9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.2.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b568a0f3b18ecead9f7d38bb78017f664d54a1a9"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82881.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.338261811Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82881.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-82881",
        "https://www.vulncheck.com/advisories/aix-db-through-1.2.4-stored-cross-site-scripting-via-markdown",
        "https://github.com/apconw/Aix-DB/issues/230",
        "https://github.com/apconw/Aix-DB/commit/b568a0f3b18ecead9f7d38bb78017f664d54a1a9",
        "https://github.com/apconw/Aix-DB/pull/231",
        "https://github.com/apconw/Aix-DB",
        "https://github.com/apconw/Aix-DB/blob/v1.2.4/web/src/components/MarkdownPreview/plugins/markdown.ts#L36"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82881.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-82881",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508106,
  "published_at": "2026-08-31T10:51:06.572+00:00"
}