CVE-2021-21313

{"containers": {"cna": {"affected": [{"product": "glpi", "vendor": "glpi-project", "versions": [{"status": "affected", "version": "< 9.5.4"}]}], "descriptions": [{"lang": "en", "value": "GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is a vulnerability in the /ajax/common.tabs.php endpoint, indeed, at least two parameters _target and id are not properly sanitized. Here are two payloads (due to two different exploitations depending on which parameter you act) to exploit the vulnerability:/ajax/common.tabs.php?_target=javascript:alert(document.cookie)&_itemtype=DisplayPreference&_glpi_tab=DisplayPreference$2&id=258&displaytype=Ticket (Payload triggered if you click on the button). /ajax/common.tabs.php?_target=/front/ticket.form.php&_itemtype=Ticket&_glpi_tab=Ticket$1&id=(){};(function%20(){alert(document.cookie);})();function%20a&#."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-74", "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-03T19:25:13.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-h4hj-mrpg-xfgx"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.4"}], "source": {"advisory": "GHSA-h4hj-mrpg-xfgx", "discovery": "UNKNOWN"}, "title": "XSS on tabs", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21313", "STATE": "PUBLIC", "TITLE": "XSS on tabs"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "glpi", "version": {"version_data": [{"version_value": "< 9.5.4"}]}}]}, "vendor_name": "glpi-project"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is a vulnerability in the /ajax/common.tabs.php endpoint, indeed, at least two parameters _target and id are not properly sanitized. Here are two payloads (due to two different exploitations depending on which parameter you act) to exploit the vulnerability:/ajax/common.tabs.php?_target=javascript:alert(document.cookie)&_itemtype=DisplayPreference&_glpi_tab=DisplayPreference$2&id=258&displaytype=Ticket (Payload triggered if you click on the button). /ajax/common.tabs.php?_target=/front/ticket.form.php&_itemtype=Ticket&_glpi_tab=Ticket$1&id=(){};(function%20(){alert(document.cookie);})();function%20a&#."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/glpi-project/glpi/security/advisories/GHSA-h4hj-mrpg-xfgx", "refsource": "CONFIRM", "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-h4hj-mrpg-xfgx"}, {"name": "https://github.com/glpi-project/glpi/releases/tag/9.5.4", "refsource": "MISC", "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.4"}]}, "source": {"advisory": "GHSA-h4hj-mrpg-xfgx", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.301Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-h4hj-mrpg-xfgx"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.4"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21313", "datePublished": "2021-03-03T19:25:13.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.301Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "glpi", "vendor": "glpi-project", "versions": [{"status": "affected", "version": "< 9.5.4"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*", "matchCriteriaId": "9506B7CC-727B-40FE-B5A3-69B362E1ACEB", "versionEndExcluding": "9.5.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is a vulnerability in the /ajax/common.tabs.php endpoint, indeed, at least two parameters _target and id are not properly sanitized. Here are two payloads (due to two different exploitations depending on which parameter you act) to exploit the vulnerability:/ajax/common.tabs.php?_target=javascript:alert(document.cookie)&_itemtype=DisplayPreference&_glpi_tab=DisplayPreference$2&id=258&displaytype=Ticket (Payload triggered if you click on the button). /ajax/common.tabs.php?_target=/front/ticket.form.php&_itemtype=Ticket&_glpi_tab=Ticket$1&id=(){};(function%20(){alert(document.cookie);})();function%20a&#."}, {"lang": "es", "value": "GLPI es un software de c\u00f3digo abierto que significa Gestionnaire Libre de Parc Informatique y es un paquete gratuito de Software de Gesti\u00f3n de Activos y TI.&#xa0;En GLPI anterior a la versi\u00f3n 9.5.4, existe una vulnerabilidad en el endpoint /ajax/common.tabs.php, de hecho, al menos dos par\u00e1metros _target e id no est\u00e1n correctamente saneados.&#xa0;Aqu\u00ed existen dos cargas \u00fatiles (debido a dos explotaciones diferentes seg\u00fan el par\u00e1metro que act\u00fae) para explotar la vulnerabilidad: /ajax/common.tabs.php?_target=javascript:alert(document.cookie)&amp; _itemtype=DisplayPreference&amp;_glpi_tab=DisplayPreference$2&amp;id=258&amp;displaytype=Ticket (Carga \u00fatil que se activa si hace clic en el bot\u00f3n).&#xa0;/ajax/common.tabs.php?_target=/front/ticket.form.php&amp;_itemtype=Ticket&amp;_glpi_tab=Ticket$1&amp;id=(){}; (function%20(){alert(document.cookie);})(); function%20a&amp;#"}], "id": "CVE-2021-21313", "lastModified": "2026-06-17T03:35:16.477", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-03T20:15:12.200", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.4"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-h4hj-mrpg-xfgx"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-h4hj-mrpg-xfgx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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