{"history":[{"alert":0,"cve":"CVE-2019-18426","id":21890,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.68082, \"percentile\": 0.99336}"},{"alert":0,"cve":"CVE-2019-18426","id":19507,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.68082, \"percentile\": 0.99333}"},{"alert":0,"cve":"CVE-2019-18426","id":17473,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.67859, \"percentile\": 0.99326}"},{"alert":0,"cve":"CVE-2019-18426","id":15537,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.67859, \"percentile\": 0.99325}"},{"alert":0,"cve":"CVE-2019-18426","id":13515,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.67859, \"percentile\": 0.99324}"},{"alert":0,"cve":"CVE-2019-18426","id":11297,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.67859, \"percentile\": 0.99324}"},{"alert":1,"cve":"CVE-2019-18426","id":10668,"kind":"cna","observed_at":1793960400,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-05T01:54:14.379Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"], \"url\": \"https://www.facebook.com/security/advisories/cve-2019-18426\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"NONE\", \"baseScore\": 8.2, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"scope\": \"CHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N\", \"version\": \"3.1\"}}, {\"other\": {\"content\": {\"id\": \"CVE-2019-18426\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2025-02-07T12:55:17.810586Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2022-05-23\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-21T23:35:53.174Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2022-05-23T00:00:00.000Z\", \"value\": \"CVE-2019-18426 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"WhatsApp Desktop\", \"vendor\": \"Facebook\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.3.9309\"}, {\"lessThan\": \"0.3.9309\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}], \"dateAssigned\": \"2020-01-21T00:00:00.000Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.\"}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-79\", \"description\": \"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2020-04-06T20:06:48.000Z\", \"orgId\": \"4fc57720-52fe-4431-a0fb-3d2c8747b827\", \"shortName\": \"facebook\"}, \"references\": [{\"tags\": [\"x_refsource_CONFIRM\"], \"url\": \"https://www.facebook.com/security/advisories/cve-2019-18426\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html\"}], \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"cve-assign@fb.com\", \"DATE_ASSIGNED\": \"2020-01-21\", \"ID\": \"CVE-2019-18426\", \"STATE\": \"PUBLIC\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"WhatsApp Desktop\", \"version\": {\"version_data\": [{\"version_affected\": \"!=>\", \"version_value\": \"0.3.9309\"}, {\"version_affected\": \"<\", \"version_value\": \"0.3.9309\"}]}}]}, \"vendor_name\": \"Facebook\"}]}}, \"data_format\": \"MITRE\", \"data_type\": \"CVE\", \"data_version\": \"4.0\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)\"}]}]}, \"references\": {\"reference_data\": [{\"name\": \"https://www.facebook.com/security/advisories/cve-2019-18426\", \"refsource\": \"CONFIRM\", \"url\": \"https://www.facebook.com/security/advisories/cve-2019-18426\"}, {\"name\": \"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html\", \"refsource\": \"MISC\", \"url\": \"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html\"}]}}}}, \"cveMetadata\": {\"assignerOrgId\": \"4fc57720-52fe-4431-a0fb-3d2c8747b827\", \"assignerShortName\": \"facebook\", \"cveId\": \"CVE-2019-18426\", \"datePublished\": \"2020-01-21T20:30:15.000Z\", \"dateReserved\": \"2019-10-25T00:00:00.000Z\", \"dateUpdated\": \"2025-10-21T23:35:53.174Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.1\"}"},{"alert":0,"cve":"CVE-2019-18426","id":9043,"kind":"epss","observed_at":1793895600,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.67859, \"percentile\": 0.99323}"},{"alert":0,"cve":"CVE-2019-18426","id":6831,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.67859, \"percentile\": 0.99322}"},{"alert":0,"cve":"CVE-2019-18426","id":4608,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.67859, \"percentile\": 0.9932}"},{"alert":0,"cve":"CVE-2019-18426","id":2390,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.67859, \"percentile\": 0.9932}"},{"alert":1,"cve":"CVE-2019-18426","id":1100,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2019-18426\", \"cwes\": [\"CWE-79\"], \"dateAdded\": \"2022-05-23\", \"dueDate\": \"2022-06-13\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2019-18426\", \"product\": \"WhatsApp\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.\", \"vendorProject\": \"Meta Platforms\", \"vulnerabilityName\": \"WhatsApp Cross-Site Scripting Vulnerability\"}"}],"record":{"affected":[{"product":"WhatsApp Desktop","vendor":"Facebook","versions":[{"status":"affected","version":"0.3.9309"},{"lessThan":"0.3.9309","status":"affected","version":"unspecified","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-05T01:54:14.379Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://www.facebook.com/security/advisories/cve-2019-18426"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","version":"3.1"}},{"other":{"content":{"id":"CVE-2019-18426","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-02-07T12:55:17.810586Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-05-23","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2025-10-21T23:35:53.174Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426"}],"timeline":[{"lang":"en","time":"2022-05-23T00:00:00.000Z","value":"CVE-2019-18426 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"WhatsApp Desktop","vendor":"Facebook","versions":[{"status":"affected","version":"0.3.9309"},{"lessThan":"0.3.9309","status":"affected","version":"unspecified","versionType":"custom"}]}],"dateAssigned":"2020-01-21T00:00:00.000Z","descriptions":[{"lang":"en","value":"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2020-04-06T20:06:48.000Z","orgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","shortName":"facebook"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://www.facebook.com/security/advisories/cve-2019-18426"},{"tags":["x_refsource_MISC"],"url":"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve-assign@fb.com","DATE_ASSIGNED":"2020-01-21","ID":"CVE-2019-18426","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"WhatsApp Desktop","version":{"version_data":[{"version_affected":"!=>","version_value":"0.3.9309"},{"version_affected":"<","version_value":"0.3.9309"}]}}]},"vendor_name":"Facebook"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)"}]}]},"references":{"reference_data":[{"name":"https://www.facebook.com/security/advisories/cve-2019-18426","refsource":"CONFIRM","url":"https://www.facebook.com/security/advisories/cve-2019-18426"},{"name":"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html"}]}}}},"cveMetadata":{"assignerOrgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","assignerShortName":"facebook","cveId":"CVE-2019-18426","datePublished":"2020-01-21T20:30:15.000Z","dateReserved":"2019-10-25T00:00:00.000Z","dateUpdated":"2025-10-21T23:35:53.174Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"cna_checked":1793960400,"cve":"CVE-2019-18426","description":"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.","epss":{"date":"2026-11-12","epss":0.68082,"percentile":0.99336},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2019-18426","cwes":["CWE-79"],"dateAdded":"2022-05-23","dueDate":"2022-06-13","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2019-18426","product":"WhatsApp","requiredAction":"Apply updates per vendor instructions.","shortDescription":"A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.","vendorProject":"Meta Platforms","vulnerabilityName":"WhatsApp Cross-Site Scripting Vulnerability"},"kev_checked":1794522003,"products":"Facebook WhatsApp Desktop","references":["https://www.facebook.com/security/advisories/cve-2019-18426","http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426"],"score":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","provider":"CISA-ADP","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"WhatsApp Cross-Site Scripting Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}