{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-12T17:26:23.931","vulnerabilities":[{"cve":{"id":"CVE-2026-27621","sourceIdentifier":"security-advisories@github.com","published":"2026-02-25T03:16:06.173","lastModified":"2026-02-27T19:02:16.520","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"TypiCMS is a multilingual content management system based on the Laravel framework. A Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS prior to version 16.1.7. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session. The issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload. Version 16.1.7 of TypiCMS Core fixes the issue."},{"lang":"es","value":"TypiCMS es un sistema de gestión de contenido multilingüe basado en el framework Laravel. Existe una vulnerabilidad de Cross-Site Scripting (XSS) almacenado en el módulo de carga de archivos de TypiCMS anterior a la versión 16.1.7. La aplicación permite a los usuarios con permisos de carga de archivos subir archivos SVG. Aunque existe una validación de tipo MIME, el contenido del archivo SVG no se sanea. Un atacante puede subir un archivo SVG especialmente diseñado que contenga código JavaScript malicioso. Cuando otro usuario (como un administrador) ve o accede a este archivo a través de la aplicación, el script se ejecuta en su navegador, lo que lleva a un compromiso de la sesión de ese usuario. El problema se exacerba por un error en la lógica de análisis de SVG, que puede causar un error 500 si el SVG subido no contiene un atributo 'viewBox'. Sin embargo, esto no mitiga la vulnerabilidad XSS, ya que un atacante puede incluir fácilmente un atributo 'viewBox' válido en su carga útil maliciosa. La versión 16.1.7 de TypiCMS Core corrige el problema."}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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":6.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","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":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:typicms:typicms:*:*:*:*:*:*:*:*","versionEndExcluding":"16.1.7","matchCriteriaId":"AA2F1015-AAAF-47D8-B80F-A37E325D407F"}]}]}],"references":[{"url":"https://github.com/TypiCMS/Core/commit/d480a0be1e8e7c0600bb9a325bb11920ee66497d","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/TypiCMS/Core/security/advisories/GHSA-xfvg-8v67-j7wp","source":"security-advisories@github.com","tags":["Exploit","Mitigation","Vendor Advisory"]}]}}]}