LuCI luci-mod-network: Possible XSS attack in WiFi scan on Joining Wireless Client modal

{
  "id": "b09c34f811e6cab0c5a91bf0dbdf498865de438fe33140dbbd17ce72881b85a5",
  "url": "https://osv.dev/vulnerability/CVE-2026-32721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "LuCI luci-mod-network: Possible XSS attack in WiFi scan on Joining Wireless Client modal",
    "summary": "LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization. The wireless.js file in the luci-mod-network package passes SSIDs via a template literal to dom.append(), which processes them through innerHTML, allowing an attacker to craft a malicious SSID containing arbitrary HTML/JavaScript. Exploitation requires the user to actively open the wireless scan modal (e.g., to connect to a Wi-Fi access point or survey nearby channels), and only affects OpenWrt versions newer than 23.05/22.03 up to the patched releases (24.10.6 and 25.12.1). The issue has been fixed in version LuCI 26.072.65753~068150b.",
    "evidence": "osv:CVE-2026-32721",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-32721",
      "aliases": [
        "CVE-2026-32721",
        "GHSA-vvj6-7362-pjrw"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openwrt/luci",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "068150ba5f524ef6b03817b258d31ec310053fd6"
                },
                {
                  "fixed": "cdce600aaec66f762f18d608c74cbf3abcafe1c7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "068150ba5f524ef6b03817b258d31ec310053fd6"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "cdce600aaec66f762f18d608c74cbf3abcafe1c7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32721.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.051179401Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32721.json",
        "https://github.com/openwrt/luci/security/advisories/GHSA-vvj6-7362-pjrw",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-32721",
        "https://github.com/openwrt/luci/commit/068150ba5f524ef6b03817b258d31ec310053fd6",
        "https://github.com/openwrt/luci/commit/cdce600aaec66f762f18d608c74cbf3abcafe1c7"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "< 26.072.65753~068150b"
                  },
                  {
                    "last_affected": "< 26.072.65753~068150b"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "24.10.6"
                  },
                  {
                    "introduced": "25.12.0"
                  },
                  {
                    "fixed": "25.12.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32721.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-32721",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517469,
  "published_at": "2026-03-19T22:46:43.909+00:00"
}