{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:textpattern:textpattern:4.9.0:-:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.9.0-NA"
              },
              {
                "last_affected": "4.9.0-NA"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "61f5e46ffa39394b0af15be3fcf2102be06816a9"
            },
            {
              "last_affected": "61f5e46ffa39394b0af15be3fcf2102be06816a9"
            }
          ],
          "repo": "https://github.com/textpattern/textpattern",
          "type": "GIT"
        }
      ],
      "versions": [
        "4.9.0-NA"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-116",
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32986.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "4.9.0"
          },
          {
            "last_affected": "4.9.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Textpattern CMS version 4.9.0 contains a second-order cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting improper sanitization of user-supplied input in Atom feed XML elements. Attackers can embed unescaped payloads in parameters such as category that are reflected into Atom fields like  and , which execute as JavaScript when feed readers or CMS aggregators consume the feed and insert content into the DOM using unsafe methods.",
  "id": "CVE-2026-32986",
  "modified": "2026-07-08T05:37:18.791838174Z",
  "published": "2026-03-20T15:42:04.053Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://textpattern.com/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32986.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32986"
    },
    {
      "type": "EVIDENCE",
      "url": "https://packetstorm.news/files/id/216241/"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Textpattern CMS 4.9.0: Second-Order XSS via Atom Feed Injection"
}