{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14856", "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516", "state": "PUBLISHED", "assignerShortName": "INCIBE", "dateReserved": "2026-07-06T12:26:14.050Z", "datePublished": "2026-07-27T10:15:20.251Z", "dateUpdated": "2026-07-27T10:15:20.251Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516", "shortName": "INCIBE", "dateUpdated": "2026-07-27T10:15:20.251Z"}, "title": "Stored Cross-Site Scripting (XSS) in TastyIgniter Media Manager", "datePublic": "2026-07-27T10:11:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')", "type": "CWE"}]}], "affected": [{"vendor": "Media Manager", "product": "TastyIgniter", "versions": [{"status": "affected", "version": "4.3.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A stored Cross-Site Scripting (XSS) vulnerability in the file upload functionality of the Media Manager in TastyIgniter v4.3.0, caused by insufficient validation and sanitization of SVG files. An authenticated user with low privileges can upload a malicious SVG file containing JavaScript code. When an administrator views that file, the code executes in the context of their browser. By chaining this vulnerability with a Cross-Site Request Forgery (CSRF) attack, an attacker can extract the administrator\u2019s CSRF token and perform unauthorized actions\u2014such as modifying credentials\u2014thereby gaining full control of the administrative account.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A stored Cross-Site Scripting (XSS) vulnerability in the file upload functionality of the Media Manager in TastyIgniter v4.3.0, caused by insufficient validation and sanitization of SVG files. An authenticated user with low privileges can upload a malicious SVG file containing JavaScript code. When an administrator views that file, the code executes in the context of their browser. By chaining this vulnerability with a Cross-Site Request Forgery (CSRF) attack, an attacker can extract the administrator\u2019s CSRF token and perform unauthorized actions\u2014such as modifying credentials\u2014thereby gaining full control of the administrative account."}]}], "references": [{"url": "https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-tastyigniter-media-manager", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H"}}], "solutions": [{"lang": "en", "value": "The vulnerability has been fixed by the manufacturer. It is recommended that you update to the latest available version.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The vulnerability has been fixed by the manufacturer. It is recommended that you update to the latest available version."}]}], "credits": [{"lang": "en", "value": "Jonas Fern\u00e1ndez", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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