{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13457", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-06-26T19:11:05.525Z", "datePublished": "2026-08-11T19:37:28.661Z", "dateUpdated": "2026-08-11T19:37:28.661Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-11T19:37:28.661Z"}, "affected": [{"vendor": "instawp", "product": "InstaWP Connect \u2013 1-click WP Staging & Migration", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "0.1.3.6", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The InstaWP Connect \u2013 1-click WP Staging & Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 0.1.3.6 via the (top-level script) function. This is due to the plugin stores its encrypted options file as options-{migrate_key}.txt in wp-content/instawpbackups/ without deploying an index.php or .htaccess to prevent directory listing, exposing the 40-character migrate_key on Apache servers with directory indexing enabled, which allows an attacker to derive the AES-256-CBC passphrase via SHA256(migrate_key), decrypt the options file to recover the api_signature. This makes it possible for unauthenticated attackers to get the database access details and api_signature. Exploitation requires the target WordPress site to be hosted on Apache with directory listing enabled (Options +Indexes) for the wp-content/instawpbackups/ directory, and time limited because it can only be exploited during the migration period."}], "title": "InstaWP Connect <= 0.1.3.6 - Unauthenticated Cryptographic Key Disclosure", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f5319467-92f6-4d4f-a76a-12aeb25d3c6b?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.1.3.4/includes/class-instawp-tools.php#L105"}, {"url": "https://plugins.trac.wordpress.org/changeset/3634049/instawp-connect"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "cweId": "CWE-434", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "0xsabre"}], "timeline": [{"time": "2026-08-03T07:32:20.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-08-11T06:27:45.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "InstaWP Connect \u2013 1-click WP Staging & Migration", "vendor": "instawp", "versions": [{"lessThanOrEqual": "0.1.3.6", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The InstaWP Connect \u2013 1-click WP Staging & Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 0.1.3.6 via the (top-level script) function. This is due to the plugin stores its encrypted options file as options-{migrate_key}.txt in wp-content/instawpbackups/ without deploying an index.php or .htaccess to prevent directory listing, exposing the 40-character migrate_key on Apache servers with directory indexing enabled, which allows an attacker to derive the AES-256-CBC passphrase via SHA256(migrate_key), decrypt the options file to recover the api_signature. This makes it possible for unauthenticated attackers to get the database access details and api_signature. Exploitation requires the target WordPress site to be hosted on Apache with directory listing enabled (Options +Indexes) for the wp-content/instawpbackups/ directory, and time limited because it can only be exploited during the migration period."}], "id": "CVE-2026-13457", "lastModified": "2026-08-11T20:17:26.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-08-11T20:17:26.993", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.1.3.4/includes/class-instawp-tools.php#L105"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3634049/instawp-connect"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f5319467-92f6-4d4f-a76a-12aeb25d3c6b?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}