CVE-2026-16635

{"id": "CVE-2026-16635", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16635", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-03T13:44:14.473068Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@wordfence.com", "affectedData": [{"vendor": "pronamic", "product": "Pronamic Pay", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "10.1.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-01T09:17:00.970", "references": [{"url": "https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L144", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L376", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L379", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L988", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/changeset/3630401/pronamic-ideal/trunk/packages/wp-pay-extensions/gravityforms/src/Extension.php", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fpronamic-ideal/tags/10.1.0&new_path=%2Fpronamic-ideal/tags/10.2.0", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d42b8856-e5d0-4122-98a4-8c959832b271?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "The Pronamic Pay plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 10.1.0 This is due to the `maybe_update_user_role()` function passing an attacker-controlled Gravity Forms field value (`$lead[$feed->user_role_field_id]`) directly into `WP_User::set_role()` without any allowlist validation, capability comparison, or permission check to constrain which roles can be assigned. This makes it possible for authenticated attackers, with Subscriber-level access and above, to escalate their own WordPress account to Administrator by tampering with the role field value in a form submission. Exploitation requires that an administrator has already configured a Pronamic Pay payment feed in Gravity Forms with the **Update User Role** option enabled and mapped to a form field; once that configuration is in place, no further preconditions exist to prevent an authenticated attacker from exploiting this vulnerability."}], "lastModified": "2026-08-12T21:00:37.147", "sourceIdentifier": "security@wordfence.com"}