CVE-2026-84773

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84773", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-09-02T09:57:48.859Z", "datePublished": "2026-09-03T16:31:52.758Z", "dateUpdated": "2026-09-03T17:34:17.591Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-09-03T16:31:52.758Z"}, "title": "WordPress EWWW Image Optimizer plugin <= 8.7.6 - Cross Site Scripting (XSS) vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "affected": [{"vendor": "\u4f5c\u8005: Shane Bishop", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "ewww-image-optimizer", "product": "EWWW Image Optimizer", "versions": [{"lessThanOrEqual": "8.7.6", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "8.7.7", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 versions."}], "value": "Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/ewww-image-optimizer/vulnerability/wordpress-ewww-image-optimizer-plugin-8-7-6-cross-site-scripting-xss-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress EWWW Image Optimizer Plugin to the latest available version (at least 8.7.7)."}], "value": "Update the WordPress EWWW Image Optimizer Plugin to the latest available version (at least 8.7.7)."}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "bekitousei | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-03T17:34:12.326081Z", "id": "CVE-2026-84773", "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": "2026-09-03T17:34:17.591Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-84773", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-03T17:34:12.326081Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-03T17:34:14.950Z"}}], "cna": {"title": "WordPress EWWW Image Optimizer plugin <= 8.7.6 - Cross Site Scripting (XSS) vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "bekitousei | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "\u4f5c\u8005: Shane Bishop", "product": "EWWW Image Optimizer", "versions": [{"status": "affected", "changes": [{"at": "8.7.7", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "8.7.6"}], "packageName": "ewww-image-optimizer", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress EWWW Image Optimizer Plugin to the latest available version (at least 8.7.7).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress EWWW Image Optimizer Plugin to the latest available version (at least 8.7.7).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/ewww-image-optimizer/vulnerability/wordpress-ewww-image-optimizer-plugin-8-7-6-cross-site-scripting-xss-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 versions.", "supportingMedia": [{"type": "text/html", "value": "Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-09-03T16:31:52.758Z"}}}, "cveMetadata": {"cveId": "CVE-2026-84773", "state": "PUBLISHED", "dateUpdated": "2026-09-03T17:34:17.591Z", "dateReserved": "2026-09-02T09:57:48.859Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-09-03T16:31:52.758Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "ewww-image-optimizer", "product": "EWWW Image Optimizer", "vendor": "\u4f5c\u8005: Shane Bishop", "versions": [{"changes": [{"at": "8.7.7", "status": "unaffected"}], "lessThanOrEqual": "8.7.6", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 versions."}], "id": "CVE-2026-84773", "lastModified": "2026-09-03T18:17:31.073", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.7, "source": "audit@patchstack.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-84773", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-03T17:34:12.326081Z", "version": "2.0.3"}}]}, "published": "2026-09-03T17:17:28.263", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/ewww-image-optimizer/vulnerability/wordpress-ewww-image-optimizer-plugin-8-7-6-cross-site-scripting-xss-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "audit@patchstack.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.7.6]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "EWWW Image Optimizer", "source": "cna", "vendor": "\u4f5c\u8005: Shane Bishop"}, "product": "_shane_bishop:ewww_image_optimizer", "vendor": "\u4f5c\u8005"}], "created": "2026-09-03T18:00:07.657603+00:00", "updated": "2026-09-04T15:40:05.715997+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress", "\u4f5c\u8005", "\u4f5c\u8005$PRODUCT$_shane_bishop:ewww_image_optimizer"]}