{"containers": {"cna": {"affected": [{"product": "Calendar_plugin", "vendor": "Calendar_plugin", "versions": [{"lessThanOrEqual": "1.0", "status": "affected", "version": "1.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "p7e4"}], "datePublic": "2021-08-13T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0."}], "metrics": [{"cvssV3_1": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-08-16T18:22:49.000Z", "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667"}, {"tags": ["x_refsource_MISC"], "url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86"}], "solutions": [{"lang": "en", "value": "Uninstall the plugin"}], "source": {"discovery": "EXTERNAL"}, "title": "Calendar_plugin <= 1.0 Reflected Cross-Site Scripting", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "Wordfence", "ASSIGNER": "security@wordfence.com", "DATE_PUBLIC": "2021-08-13T15:31:00.000Z", "ID": "CVE-2021-34667", "STATE": "PUBLIC", "TITLE": "Calendar_plugin <= 1.0 Reflected Cross-Site Scripting"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Calendar_plugin", "version": {"version_data": [{"version_affected": "<=", "version_name": "1.0", "version_value": "1.0"}]}}]}, "vendor_name": "Calendar_plugin"}]}}, "credit": [{"lang": "eng", "value": "p7e4"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"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"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667", "refsource": "MISC", "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667"}, {"name": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86", "refsource": "MISC", "url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86"}]}, "solution": [{"lang": "en", "value": "Uninstall the plugin"}], "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:19:47.755Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-05-05T18:16:36.204866Z", "id": "CVE-2021-34667", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-05T18:16:41.613Z"}}]}, "cveMetadata": {"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "assignerShortName": "Wordfence", "cveId": "CVE-2021-34667", "datePublished": "2021-08-16T18:22:49.894Z", "dateReserved": "2021-06-10T00:00:00.000Z", "dateUpdated": "2025-05-05T18:16:41.613Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:19:47.755Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-34667", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-05-05T18:16:36.204866Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-05T18:16:33.425Z"}}], "cna": {"title": "Calendar_plugin <= 1.0 Reflected Cross-Site Scripting", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "value": "p7e4"}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "Calendar_plugin", "product": "Calendar_plugin", "versions": [{"status": "affected", "version": "1.0", "versionType": "custom", "lessThanOrEqual": "1.0"}]}], "solutions": [{"lang": "en", "value": "Uninstall the plugin"}], "datePublic": "2021-08-13T00:00:00.000Z", "references": [{"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667", "tags": ["x_refsource_MISC"]}, {"url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86", "tags": ["x_refsource_MISC"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2021-08-16T18:22:49.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "p7e4"}], "impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, "source": {"discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_name": "1.0", "version_value": "1.0", "version_affected": "<="}]}, "product_name": "Calendar_plugin"}]}, "vendor_name": "Calendar_plugin"}]}}, "solution": [{"lang": "en", "value": "Uninstall the plugin"}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667", "name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667", "refsource": "MISC"}, {"url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86", "name": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-34667", "AKA": "Wordfence", "STATE": "PUBLIC", "TITLE": "Calendar_plugin <= 1.0 Reflected Cross-Site Scripting", "ASSIGNER": "security@wordfence.com", "DATE_PUBLIC": "2021-08-13T15:31:00.000Z"}}}}, "cveMetadata": {"cveId": "CVE-2021-34667", "state": "PUBLISHED", "dateUpdated": "2025-05-05T18:16:41.613Z", "dateReserved": "2021-06-10T00:00:00.000Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2021-08-16T18:22:49.894Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:calendar_plugin_project:calendar_plugin:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "308C5F49-E5DB-4368-ABCC-457F80DDD7BA", "versionEndIncluding": "1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0."}, {"lang": "es", "value": "El plugin Calendar_plugin de WordPress, es vulnerable a un ataque de tipo Cross-Site Scripting Reflejado debido al uso de la funci\u00f3n \"$_SERVER[\"PHP_SELF\"]\" en el archivo ~/calendar.php que permite a atacantes inyectar scripts web arbitrario, en versiones hasta 1.0 incluy\u00e9ndola."}], "id": "CVE-2021-34667", "lastModified": "2024-11-21T06:10:55.707", "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": 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": "security@wordfence.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": "2021-08-16T19:15:15.650", "references": [{"source": "security@wordfence.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86"}, {"source": "security@wordfence.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}