CVE-2026-27536

{"id": "CVE-2026-27536", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27536", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-13T15:10:55.485979Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "audit@patchstack.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "audit@patchstack.com", "affectedData": [{"vendor": "PluginOps", "product": "MailChimp Subscribe Forms", "versions": [{"status": "affected", "changes": [{"at": "4.3.4", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "4.3.3"}], "packageName": "mailchimp-subscribe-sm", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}]}], "published": "2026-08-13T14:16:56.250", "references": [{"url": "https://patchstack.com/database/wordpress/plugin/mailchimp-subscribe-sm/vulnerability/wordpress-mailchimp-subscribe-forms-plugin-4-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "audit@patchstack.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "audit@patchstack.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms <= 4.3.3 versions."}], "lastModified": "2026-08-14T19:09:20.713", "sourceIdentifier": "audit@patchstack.com"}