CVE-2021-24927

{"containers": {"cna": {"affected": [{"product": "My Calendar", "vendor": "Unknown", "versions": [{"lessThan": "3.2.18", "status": "affected", "version": "3.2.18", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Krzysztof Zaj\u0105c"}], "descriptions": [{"lang": "en", "value": "The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-29T08:25:52.000Z", "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e"}], "source": {"discovery": "EXTERNAL"}, "title": "My Calendar < 3.2.18 - Subscriber+ Reflected Cross-Site Scripting", "x_generator": "WPScan CVE Generator", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "contact@wpscan.com", "ID": "CVE-2021-24927", "STATE": "PUBLIC", "TITLE": "My Calendar < 3.2.18 - Subscriber+ Reflected Cross-Site Scripting"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "My Calendar", "version": {"version_data": [{"version_affected": "<", "version_name": "3.2.18", "version_value": "3.2.18"}]}}]}, "vendor_name": "Unknown"}]}}, "credit": [{"lang": "eng", "value": "Krzysztof Zaj\u0105c"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue"}]}, "generator": "WPScan CVE Generator", "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e", "refsource": "MISC", "url": "https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:49:12.670Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e"}]}]}, "cveMetadata": {"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "assignerShortName": "WPScan", "cveId": "CVE-2021-24927", "datePublished": "2021-11-29T08:25:52.000Z", "dateReserved": "2021-01-14T00:00:00.000Z", "dateUpdated": "2024-08-03T19:49:12.670Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "My Calendar", "vendor": "Unknown", "versions": [{"lessThan": "3.2.18", "status": "affected", "version": "3.2.18", "versionType": "custom"}]}], "source": "contact@wpscan.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:my_calendar_project:my_calendar:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "A74EDD18-F63A-4752-A2E6-0E817EA8590B", "versionEndExcluding": "3.2.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue"}, {"lang": "es", "value": "El plugin My Calendar de WordPress versiones anteriores a 3.2.18, no sanea y escapa del par\u00e1metro callback de la acci\u00f3n AJAX mc_post_lookup (disponible para cualquier usuario autenticado) antes de devolverlo a la respuesta, conllevando a un problema de tipo Cross-Site Scripting Reflejado"}], "id": "CVE-2021-24927", "lastModified": "2026-06-17T03:41:08.867", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "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": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-29T09:15:08.083", "references": [{"source": "contact@wpscan.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "contact@wpscan.com", "type": "Secondary"}]}

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