PYSEC-2026-840

Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03
VLAI
Details

Cross-site scripting (XSS) vulnerability in templatefunctions.py in Loggerhead before 1.18.1 allows remote authenticated users to inject arbitrary web script or HTML via a filename, which is not properly handled in a revision view.

Impacted products
Name purl
loggerhead pkg:pypi/loggerhead

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "loggerhead",
        "purl": "pkg:pypi/loggerhead"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.18.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2011-0728",
    "GHSA-qjmg-77xh-7mjw"
  ],
  "details": "Cross-site scripting (XSS) vulnerability in `templatefunctions.py` in Loggerhead before 1.18.1 allows remote authenticated users to inject arbitrary web script or HTML via a filename, which is not properly handled in a revision view.",
  "id": "PYSEC-2026-840",
  "modified": "2026-07-06T08:03:24.774040Z",
  "published": "2026-07-06T08:03:24.774040Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-0728"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/loggerhead/+bug/740142"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66305"
    },
    {
      "type": "WEB",
      "url": "https://launchpad.net/loggerhead/1.18/1.18.1"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20200228162139/http://www.securityfocus.com/bid/47032"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057413.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057479.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057502.html"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/loggerhead"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-qjmg-77xh-7mjw"
    }
  ],
  "summary": "Loggerhead XSS via filename"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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