CVE-2026-103479

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Pubjet | \u067e\u0627\u0628\u200c\u062c\u062a", "vendor": "pubjet", "versions": [{"lessThanOrEqual": "5.4.8", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Pubjet | \u067e\u0627\u0628\u200c\u062c\u062a plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 5.4.8. This is due to the `checkToken()` AJAX handler \u2014 registered under `wp_ajax_pubjet-check-token` \u2014 performing no capability check and no nonce verification before unconditionally writing the attacker-supplied `token` GET parameter directly into the site-wide `pubjet_settings` option via `pubjet_update_setting()`, prior to any remote validation. This makes it possible for authenticated attackers, with Subscriber-level access and above, to overwrite the plugin's stored REST API credential with an attacker-chosen value, immediately elevating their effective privileges to those of an authorized Pubjet API client and enabling them to invoke otherwise-restricted endpoints \u2014 `createReportage`, `updateReportage`, `deleteReportage`, `toggleCopyright`, and `createBacklink` \u2014 to create, modify, and delete arbitrary reportage posts and manipulate plugin state that Subscribers cannot normally access. The privilege escalation is self-reinforcing: because `RestApi::isTokenValid()` authenticates solely by comparing the incoming `Authorization` header against the value returned by `pubjet_token()`, which reads from the same option the unprotected handler writes to, the attacker-planted token is trusted as legitimate on all subsequent requests."}], "id": "CVE-2026-103479", "lastModified": "2026-11-06T18:17:38.390", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-103479", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T17:32:50.839014Z", "version": "2.0.3"}}]}, "published": "2026-11-06T12:17:15.440", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/pubjet/tags/5.4.8/includes/Ajax.php#L26"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/pubjet/tags/5.4.8/includes/Ajax.php#L631"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/pubjet/tags/5.4.8/includes/Ajax.php#L643"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/pubjet/tags/5.4.8/includes/RestApi.php#L363"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/pubjet/tags/5.4.8/includes/RestApi.php#L374"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0391145a-2707-4639-80d0-a8a98512ef66?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

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