CVE-2025-13742

{
  "id": "CVE-2025-13742",
  "sourceIdentifier": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
  "published": "2025-11-27T11:15:47.760",
  "lastModified": "2026-10-19T13:10:00.110",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name} is used in an email template, it will be replaced with the buyer's name for the final email. If the name of the attendee contained HTML or Markdown formatting, this was rendered as HTML in the resulting email. This way, a user could inject links or other formatted text through a maliciously formatted name. Since pretix applies a strict allow list approach to allowed HTML tags, this could not be abused for XSS or similarly dangerous attack chains. However, it can be used to manipulate emails in a way that makes user-provided content appear in a trustworthy and credible way, which can be abused for phishing."
    },
    {
      "lang": "es",
      "value": "Los correos electrónicos enviados por pretix pueden utilizar marcadores de posición que se rellenarán con datos del cliente. Por ejemplo, cuando {name} se utiliza en una plantilla de correo electrónico, se reemplazará con el nombre del comprador para el correo electrónico final. Si el nombre del asistente contenía formato HTML o Markdown, esto se renderizaba como HTML en el correo electrónico resultante. De esta manera, un usuario podría inyectar enlaces u otro texto formateado a través de un nombre con formato malicioso. Dado que pretix aplica un enfoque estricto de lista blanca para las etiquetas HTML permitidas, esto no podía ser explotado para XSS o cadenas de ataque igualmente peligrosas. Sin embargo, puede utilizarse para manipular correos electrónicos de una manera que hace que el contenido proporcionado por el usuario aparezca de forma fiable y creíble, lo que puede ser explotado para phishing."
    }
  ],
  "affected": [
    {
      "source": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
      "affectedData": [
        {
          "vendor": "pretix",
          "product": "pretix",
          "defaultStatus": "unaffected",
          "collectionURL": "https://pypi.org/",
          "packageName": "pretix",
          "repo": "https://github.com/pretix/pretix",
          "versions": [
            {
              "version": "1.0.0",
              "lessThan": "2025.7.0",
              "versionType": "python",
              "status": "affected"
            },
            {
              "version": "2025.7.0",
              "lessThan": "2025.8.0",
              "versionType": "python",
              "status": "affected",
              "changes": [
                {
                  "at": "2025.7.2",
                  "status": "unaffected"
                }
              ]
            },
            {
              "version": "2025.8.0",
              "lessThan": "2025.9.0",
              "versionType": "python",
              "status": "affected",
              "changes": [
                {
                  "at": "2025.8.1",
                  "status": "unaffected"
                }
              ]
            },
            {
              "version": "2025.9.0",
              "lessThan": "2025.10.0",
              "versionType": "python",
              "status": "affected",
              "changes": [
                {
                  "at": "2025.9.1",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:L/VA:L/SC:N/SI:L/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 2.4,
          "baseSeverity": "LOW",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "NONE",
          "userInteraction": "PASSIVE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "LOW",
          "subAvailabilityImpact": "LOW",
          "exploitMaturity": "UNREPORTED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-28T15:20:23.125472Z",
          "id": "CVE-2025-13742",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-116"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:pretix:pretix:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.0.0",
              "versionEndExcluding": "2025.7.2",
              "matchCriteriaId": "25666170-72A0-4BE6-8D0A-54AA4584A72C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:pretix:pretix:2025.8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "58DD891C-DF07-49CF-8BC5-67E3E1058BB3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:pretix:pretix:2025.9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "98B55266-D953-4C86-98CF-88A6678A0DCC"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://pretix.eu/about/en/blog/20251126-release-2025-9-1/",
      "source": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
      "tags": [
        "Broken Link"
      ]
    }
  ]
}