{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-53740", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-10T17:16:10.427Z", "datePublished": "2026-06-10T20:39:44.745Z", "dateUpdated": "2026-06-11T16:15:06.572Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-11T11:28:26.435Z" }, "title": "Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting via Scheduled Republish Notice", "datePublic": "2026-06-10T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE" } ] } ], "affected": [ { "vendor": "Yoast", "product": "Yoast Duplicate Post", "versions": [ { "status": "affected", "version": "0", "lessThanOrEqual": "4.6", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:duplicate_post_project:duplicate_post:*:*:*:*:*:wordpress:*:*", "versionEndIncluding": "4.6" } ] } ] } ], "descriptions": [ { "lang": "en", "value": "Yoast Duplicate Post through 4.6 inserts an unescaped post title and permalink into the Classic Editor scheduled republish notice. Attackers can schedule a republish copy with a crafted title to execute script when an administrator views the resulting notice.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
Yoast Duplicate Post through 4.6 inserts an unescaped post title and permalink into the Classic Editor scheduled republish notice. Attackers can schedule a republish copy with a crafted title to execute script when an administrator views the resulting notice.
" } ] } ], "references": [ { "url": "https://wordpress.org/plugins/duplicate-post/", "name": "WordPress Plugin Repository", "tags": [ "product" ] }, { "url": "https://www.vulncheck.com/advisories/yoast-duplicate-post-through-stored-cross-site-scripting-via-scheduled-republish-notice", "name": "VulnCheck Advisory: Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting via Scheduled Republish Notice", "tags": [ "third-party-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N" } } ], "credits": [ { "lang": "en", "value": "Scott Moore - VulnCheck", "type": "finder" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "scooter" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-11T12:58:00.000090Z", "id": "CVE-2026-53740", "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": "2026-06-11T16:15:06.572Z" } } ] } }