Textpattern CMS 4.8.8 Authenticated Stored Cross-Site Scripting via Article Excerpt

{
  "id": "2382a13082a23fdce870fb47a3969abf39e76daea681ab42f808d734624ef347",
  "url": "https://osv.dev/vulnerability/CVE-2023-53911",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Textpattern CMS 4.8.8 Authenticated Stored Cross-Site Scripting via Article Excerpt",
    "summary": "Textpattern CMS 4.8.8 contains a stored cross-site scripting vulnerability in the article excerpt field that allows authenticated users to inject malicious scripts. Attackers can insert JavaScript payloads into the excerpt, which will execute when the article is viewed by other users.",
    "evidence": "osv:CVE-2023-53911",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-53911",
      "aliases": [
        "CVE-2023-53911"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/textpattern/textpattern",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b90acf00e63e2be98f81e1cde58a5bea4b31dee9"
                },
                {
                  "last_affected": "b90acf00e63e2be98f81e1cde58a5bea4b31dee9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:textpattern:textpattern:4.8.8:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.8.8-NA"
                      },
                      {
                        "last_affected": "4.8.8-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.8.8-NA",
            "4.8.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53911.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.481629250Z",
      "provider": "osv",
      "references": [
        "https://textpattern.com/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53911.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53911",
        "https://www.vulncheck.com/advisories/textpattern-cms-authenticated-stored-cross-site-scripting-via-article-excerpt",
        "https://www.exploit-db.com/exploits/51523"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.8.8"
                  },
                  {
                    "last_affected": "4.8.8"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53911.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53911",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493109,
  "published_at": "2025-12-17T22:44:47.932+00:00"
}