CVE-2026-2343: Unknown Peprodev Ultimate Invoice

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The PeproDev Ultimate Invoice WordPress plugin through 2.2.5 has a bulk download invoices action that generates ZIP archives containing exported invoice PDFs. The ZIP files are named predictably making it possible to brute force and retreive PII.

Affected products

• Unknown Peprodev Ultimate Invoice: up to and including 2.2.5

Published 2026-03-25. Last modified 2026-06-17.