CVE-2026-79995: User Registration & Membership < 5.2.5 - Subscriber+ Pending Email Change Cancellation via IDOR

Versions reported by the vendor

Affected version ranges reported by the assigning authority (WPScan). Independent of NVD's CPE analysis and usually ahead of it.

• Unknown User Registration & Membership

  • before 5.2.5affected · semver

Other highest-scoring records for the same primary product.

• CVE-2026-11964User Registration & Membership < 5.2.2 - Unauthenticated PayPal Webhook Signature Verification Bypass Leading to Membership Activation
  36Monitor
• CVE-2026-11961User Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership ID
  32Monitor
• CVE-2026-11963User Registration & Membership < 5.2.2 - Subscriber+ Cross-User Role and Membership Tier Modification via IDOR
  32Monitor

Published before and after this one in the same product

• ← EarlierCVE-2026-11966Jul 17, 2026 · User Registration & Membership < 5.2.3 - Unauthenticated Limited User Deletion via Stripe Subscription Handler
  21Monitor
• ← EarlierCVE-2026-16736Aug 5, 2026 · User Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration Disabled
  30Monitor
• Later →CVE-2026-79996Aug 28, 2026 · User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Settings
  28Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The endpoint fetches the record by the ID sent in the request, but never checks whether the record belongs to the requesting user.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const invoice = await Invoice.findById(req.params.id);2res.json(invoice);

1const invoice = await Invoice.findOne({2  id: req.params.id,3  ownerId: req.user.id,4});5if (!invoice) return res.sendStatus(404);6res.json(invoice);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.