YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and listpages

{
  "id": "5c772c36382234de3f4fe23a82ff157d6728bf2ca4a8f2a5172c45355d2bc507",
  "url": "https://osv.dev/vulnerability/CVE-2026-104473",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and listpages",
    "summary": "YesWiki before 4.5.3 contains multiple reflected cross-site scripting vulnerabilities that allow remote attackers to inject JavaScript through unsanitized parameters such as incomingurl, id, file, tags, and template. Attackers can lure authenticated or unauthenticated users into opening crafted links to hijack sessions and trigger authenticated requests against backend functionality.",
    "evidence": "osv:CVE-2026-104473",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-104473",
      "aliases": [
        "CVE-2026-104473",
        "GHSA-5724-x3rh-5qqq"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/yeswiki/yeswiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6894234bbde6ab168bf4253f9a581bd24bf53766"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.5.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.5.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.5.2",
            "v4.5.1",
            "v4.4.3",
            "v4.4.2",
            "v4.4.1",
            "v4.4.0",
            "v4.3.1",
            "v4.3.0",
            "v4.2.2",
            "v4.2.1",
            "v4.2.0",
            "v4.1.5",
            "v4.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104473.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.459561813Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104473.json",
        "https://github.com/YesWiki/yeswiki/security/advisories/GHSA-5724-x3rh-5qqq",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-104473",
        "https://www.vulncheck.com/advisories/yeswiki-before-4.5.3-multiple-reflected-xss-via-bazar-and-listpages"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104473.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-104473",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493821,
  "published_at": "2026-10-02T11:38:37.28+00:00"
}