CVE-2026-75526

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{"affected": [{"affectedData": [{"product": "django-cms", "vendor": "django-cms", "versions": [{"status": "affected", "version": ">= 5.0.8, < 5.0.9"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. From 5.0.8 until 5.0.9, ContentRenderer.render_placeholder in cms/plugin_rendering.py can pass stored, attacker-controlled values to ContentRenderer.render_exception when plugin rendering fails in edit mode. Values from get_short_description(), the exception message, the placeholder, or placeholder.source are interpolated into a cms-rendering-exception heading and later returned through mark_safe. Because the heading is not escaped, stored HTML executes in an editor\u2019s browser, and settings.DEBUG does not prevent the custom heading from rendering. The fix uses format_html to escape the message before safe placeholder output is returned. This issue is fixed in versions 5.0.9."}, {"lang": "es", "value": "django CMS es un sistema de gesti\u00f3n de contenido empresarial f\u00e1cil de usar y amigable para desarrolladores, impulsado por Django. Desde la versi\u00f3n 5.0.8 hasta la 5.0.9, ContentRenderer.render_placeholder en cms/plugin_rendering.py puede pasar valores almacenados y controlados por el atacante a ContentRenderer.render_exception cuando la renderizaci\u00f3n del plugin falla en modo de edici\u00f3n. Los valores de get_short_description(), el mensaje de excepci\u00f3n, el marcador de posici\u00f3n (placeholder) o placeholder.source se interpolan en un encabezado cms-rendering-exception y luego se devuelven a trav\u00e9s de mark_safe. Debido a que el encabezado no se escapa, el HTML almacenado se ejecuta en el navegador de un editor, y settings.DEBUG no evita que el encabezado personalizado se renderice. La soluci\u00f3n utiliza format_html para escapar el mensaje antes de que se devuelva la salida segura del marcador de posici\u00f3n (placeholder). Este problema se corrige en la versi\u00f3n 5.0.9."}], "id": "CVE-2026-75526", "lastModified": "2026-10-26T10:10:00.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-75526", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-20T19:20:47.120348Z", "version": "2.0.3"}}]}, "published": "2026-08-20T19:17:03.787", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/django-cms/django-cms/commit/b56a568844ff3702495945f73a31d0868285bf88"}, {"source": "security-advisories@github.com", "url": "https://github.com/django-cms/django-cms/pull/8711"}, {"source": "security-advisories@github.com", "url": "https://github.com/django-cms/django-cms/releases/tag/5.0.9"}, {"source": "security-advisories@github.com", "url": "https://github.com/django-cms/django-cms/security/advisories/GHSA-hvq6-2r72-p2x7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.8,5.0.9)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "django-cms", "source": "cna", "vendor": "django-cms"}, "product": "django_cms", "vendor": "django-cms"}], "created": "2026-08-20T19:45:03.778527+00:00", "updated": "2026-08-21T01:45:08.040414+00:00", "vendors": ["django-cms", "django-cms$PRODUCT$django_cms"]}