CVE-2025-13742

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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 electr\u00f3nicos enviados por pretix pueden utilizar marcadores de posici\u00f3n que se rellenar\u00e1n con datos del cliente. Por ejemplo, cuando {name} se utiliza en una plantilla de correo electr\u00f3nico, se reemplazar\u00e1 con el nombre del comprador para el correo electr\u00f3nico final. Si el nombre del asistente conten\u00eda formato HTML o Markdown, esto se renderizaba como HTML en el correo electr\u00f3nico resultante. De esta manera, un usuario podr\u00eda inyectar enlaces u otro texto formateado a trav\u00e9s de un nombre con formato malicioso. Dado que pretix aplica un enfoque estricto de lista blanca para las etiquetas HTML permitidas, esto no pod\u00eda ser explotado para XSS o cadenas de ataque igualmente peligrosas. Sin embargo, puede utilizarse para manipular correos electr\u00f3nicos de una manera que hace que el contenido proporcionado por el usuario aparezca de forma fiable y cre\u00edble, lo que puede ser explotado para phishing."}], "id": "CVE-2025-13742", "lastModified": "2026-10-19T13:10:00.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "655498c3-6ec5-4f0b-aea6-853b334d05a6", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-13742", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-11-28T15:20:23.125472Z", "version": "2.0.3"}}]}, "published": "2025-11-27T11:15:47.760", "references": [{"source": "655498c3-6ec5-4f0b-aea6-853b334d05a6", "tags": ["Broken Link"], "url": "https://pretix.eu/about/en/blog/20251126-release-2025-9-1/"}], "sourceIdentifier": "655498c3-6ec5-4f0b-aea6-853b334d05a6", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-116"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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{"created": "2025-11-27T16:25:51.235278+00:00", "updated": "2025-11-27T16:25:51.235304+00:00", "vendors": ["pretix", "pretix$PRODUCT$pretix"]}