CVE-2025-50738

{"id": "CVE-2025-50738", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2025-07-29T15:15:35.543", "references": [{"url": "https://github.com/usememos/memos", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/usememos/memos/issues/4707#issuecomment-2898504237", "tags": ["Exploit", "Issue Tracking"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "The Memos application, up to version v0.24.3, allows for the embedding of markdown images with arbitrary URLs. When a user views a memo containing such an image, their browser automatically fetches the image URL without explicit user consent or interaction beyond viewing the memo. This can be exploited by an attacker to disclose the viewing user's IP address, browser User-Agent string, and potentially other request-specific information to the attacker-controlled server, leading to information disclosure and user tracking."}, {"lang": "es", "value": "La aplicaci\u00f3n Memos, hasta la versi\u00f3n v0.24.3, permite incrustar im\u00e1genes en formato Markdown con URL arbitrarias. Cuando un usuario visualiza un memo que contiene dicha imagen, su navegador obtiene autom\u00e1ticamente la URL de la imagen sin su consentimiento expl\u00edcito ni interacci\u00f3n alguna m\u00e1s all\u00e1 de la visualizaci\u00f3n del memo. Un atacante puede aprovechar esto para divulgar la direcci\u00f3n IP del usuario, la cadena de agente de usuario del navegador y, potencialmente, otra informaci\u00f3n espec\u00edfica de la solicitud al servidor controlado por el atacante, lo que conlleva la divulgaci\u00f3n de informaci\u00f3n y el rastreo del usuario."}], "lastModified": "2025-08-06T20:54:37.777", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76BF7961-5449-4484-9504-692375C6AC4B", "versionEndIncluding": "0.24.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}