CVE-2026-44977

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{"affected": [{"affectedData": [{"product": "countly-server", "vendor": "Countly", "versions": [{"status": "affected", "version": "< 24.05.50"}, {"status": "affected", "version": ">= 25.03, < 25.03.44"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "countly-server is the server-side part of Countly, a product analytics solution. Prior to 24.05.50 and 25.03.44, plugins/star-rating/api/api.js allows a non-global application administrator to use uploadFeedbackFile to store attacker-controlled active content while trusting the supplied MIME type. plugins/star-rating/frontend/app.js publicly serves the stored content from feedback/preview/ with the attacker-influenced Content-Type, so a global administrator who opens the preview executes the payload in the Countly origin and exposes authenticated session capabilities, including auth_token and csrf_token values. This issue is fixed in versions 24.05.50 and 25.03.44."}], "id": "CVE-2026-44977", "lastModified": "2026-10-21T03:17:19.330", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44977", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-21T02:24:09.405721Z", "version": "2.0.3"}}]}, "published": "2026-10-16T16:17:44.483", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Countly/countly-server/commit/ae899f37bc6d70c1b44859756ce80a204ae72631"}, {"source": "security-advisories@github.com", "url": "https://github.com/Countly/countly-server/commit/fcb16c808c0fdb6dc99fe9c66de7fc560b3a9c41"}, {"source": "security-advisories@github.com", "url": "https://github.com/Countly/countly-server/releases/tag/24.05.50"}, {"source": "security-advisories@github.com", "url": "https://github.com/Countly/countly-server/releases/tag/25.03.44"}, {"source": "security-advisories@github.com", "url": "https://github.com/Countly/countly-server/security/advisories/GHSA-jqp4-p86c-phxc"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Countly/countly-server/security/advisories/GHSA-jqp4-p86c-phxc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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