{"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 – Instant Performance & Speed Optimization","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.22.01","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The WP Compress – 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 — 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"}]}}}