{"containers":{"cna":{"affected":[{"product":"express-xss-sanitizer","vendor":"n/a","versions":[{"lessThan":"1.1.3","status":"affected","version":"unspecified","versionType":"custom"}]}],"credits":[{"lang":"en","value":"Jayateertha Guruprasad"}],"datePublic":"2022-09-26T00:00:00.000Z","descriptions":[{"lang":"en","value":"The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","exploitCodeMaturity":"PROOF_OF_CONCEPT","integrityImpact":"LOW","privilegesRequired":"NONE","remediationLevel":"NOT_DEFINED","reportConfidence":"NOT_DEFINED","scope":"UNCHANGED","temporalScore":6.9,"temporalSeverity":"MEDIUM","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Prototype Pollution","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-09-26T05:05:11.000Z","orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","shortName":"snyk"},"references":[{"tags":["x_refsource_MISC"],"url":"https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443"},{"tags":["x_refsource_MISC"],"url":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4"},{"tags":["x_refsource_MISC"],"url":"https://runkit.com/embed/w306l6zfm7tu"},{"tags":["x_refsource_MISC"],"url":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a"}],"title":"Prototype Pollution","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"report@snyk.io","DATE_PUBLIC":"2022-09-26T05:00:10.103193Z","ID":"CVE-2022-21169","STATE":"PUBLIC","TITLE":"Prototype Pollution"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"express-xss-sanitizer","version":{"version_data":[{"version_affected":"<","version_value":"1.1.3"}]}}]},"vendor_name":"n/a"}]}},"credit":[{"lang":"eng","value":"Jayateertha Guruprasad"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Prototype Pollution"}]}]},"references":{"reference_data":[{"name":"https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443","refsource":"MISC","url":"https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443"},{"name":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4","refsource":"MISC","url":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4"},{"name":"https://runkit.com/embed/w306l6zfm7tu","refsource":"MISC","url":"https://runkit.com/embed/w306l6zfm7tu"},{"name":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a","refsource":"MISC","url":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T02:31:59.240Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://runkit.com/embed/w306l6zfm7tu"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a"}]},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-1321","lang":"en","description":"CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-21T20:29:10.261035Z","id":"CVE-2022-21169","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":"2025-05-21T20:29:25.084Z"}}]},"cveMetadata":{"assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","assignerShortName":"snyk","cveId":"CVE-2022-21169","datePublished":"2022-09-26T05:05:11.200Z","dateReserved":"2022-02-24T00:00:00.000Z","dateUpdated":"2025-05-21T20:29:25.084Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}