{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120551", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-11-02T16:25:42.465Z", "datePublished": "2026-11-03T04:43:06.946Z", "dateUpdated": "2026-11-03T04:43:06.946Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-11-03T04:43:06.946Z"}, "affected": [{"vendor": "aresit", "product": "WP Compress \u2013 Instant Performance & Speed Optimization", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "7.22.01", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The WP Compress \u2013 Instant Performance & Speed Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 7.22.01. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to link the victim site to an attacker-controlled WP Compress account, overwrite plugin settings to an aggressive live-CDN preset, and gain the shared api_key that authenticates all nopriv HMAC-gated endpoints \u2014 enabling full control over cache purging, file deletion, opcode cache invalidation, and other privileged plugin operations. This vulnerability only affects fresh installations or lite/free-mode installs where no api_key is already stored, as the sole guard fails open when the stored key is absent."}], "title": "WP Compress <= 7.22.01 - Missing Authorization to Unauthenticated Account Linking / Site Takeover via 'force_ic_connect' and 'apikey' Parameters", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/42d4ec8b-d3ed-4aa3-a8b9-cddaf64a7531?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.21.27/classes/mainwp.class.php#L29"}, {"url": "https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.21.27/classes/mainwp.class.php#L9"}, {"url": "https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.21.27/classes/connect.class.php#L103"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3680035%40wp-compress-image-optimizer&new=3680035%40wp-compress-image-optimizer"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Wordfence PRISM"}], "timeline": [{"time": "2026-08-15T20:05:53.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-09-08T18:03:09.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "WP Compress \u2013 Instant Performance & Speed Optimization", "vendor": "aresit", "versions": [{"lessThanOrEqual": "7.22.01", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WP Compress \u2013 Instant Performance & Speed Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 7.22.01. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to link the victim site to an attacker-controlled WP Compress account, overwrite plugin settings to an aggressive live-CDN preset, and gain the shared api_key that authenticates all nopriv HMAC-gated endpoints \u2014 enabling full control over cache purging, file deletion, opcode cache invalidation, and other privileged plugin operations. This vulnerability only affects fresh installations or lite/free-mode installs where no api_key is already stored, as the sole guard fails open when the stored key is absent."}], "id": "CVE-2026-120551", "lastModified": "2026-11-03T05:18:32.790", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-11-03T05:18:32.637", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.21.27/classes/connect.class.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.21.27/classes/mainwp.class.php#L29"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.21.27/classes/mainwp.class.php#L9"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3680035%40wp-compress-image-optimizer&new=3680035%40wp-compress-image-optimizer"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/42d4ec8b-d3ed-4aa3-a8b9-cddaf64a7531?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-11-03T07:00:15.325040+00:00", "updated": "2026-11-03T07:00:15.325046+00:00", "vendors": []}