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CVE-2026-16635

HIGH 8.8 CVSS 3.1
Published
August 1, 2026
Last modified
August 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-269
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • pronamic Pronamic Pay — Up to and including 10.1.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L144
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L376
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L379
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/pronamic-ideal/tags/10.1.0/packages/wp-pay-extensions/gravityforms/src/Extension.php#L988
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3630401/pronamic-ideal/trunk/packages/wp-pay-extensions/gravityforms/src/Extension.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2Fpronamic-ideal/tags/10.1.0&new_path=%2Fpronamic-ideal/tags/10.2.0
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/d42b8856-e5d0-4122-98a4-8c959832b271?source=cve
  • nvd.nist.gov Official NVD record