{ "containers": { "cna": { "affected": [ { "product": "LiteSpeed Cache", "vendor": "Unknown", "versions": [ { "lessThan": "4.4.4", "status": "affected", "version": "4.4.4", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "Emil Kylander" } ], "descriptions": [ { "lang": "en", "value": "The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-01-03T12:49:08.000Z", "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc" } ], "source": { "discovery": "EXTERNAL" }, "title": "LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS", "x_generator": "WPScan CVE Generator", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "contact@wpscan.com", "ID": "CVE-2021-24964", "STATE": "PUBLIC", "TITLE": "LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "LiteSpeed Cache", "version": { "version_data": [ { "version_affected": "<", "version_name": "4.4.4", "version_value": "4.4.4" } ] } } ] }, "vendor_name": "Unknown" } ] } }, "credit": [ { "lang": "eng", "value": "Emil Kylander" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users." } ] }, "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/e9966b3e-2eb9-4d70-8c18-6a829b4827cc", "refsource": "MISC", "url": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc" } ] }, "source": { "discovery": "EXTERNAL" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:49:14.371Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc" } ] }, { "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" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-05-22T15:21:22.171177Z", "id": "CVE-2021-24964", "options": [ { "Exploitation": "poc" }, { "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": "2025-05-22T18:39:45.298Z" } } ] }, "cveMetadata": { "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "assignerShortName": "WPScan", "cveId": "CVE-2021-24964", "datePublished": "2022-01-03T12:49:08.000Z", "dateReserved": "2021-01-14T00:00:00.000Z", "dateUpdated": "2025-05-22T18:39:45.298Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }