WordPress · Peprodev Ultimate Invoice · CVE-2026-2343
**Name of the Vulnerable Software and Affected Versions**
PeproDev Ultimate Invoice WordPress plugin versions through 2.2.5
**Description**
The plugin allows for the bulk download of invoices, generating ZIP archives containing exported invoice PDFs. The ZIP file names are predictable, potentially allowing an attacker to brute force and retrieve Personally Identifiable Information (PII).
**Recommendations**
Update PeproDev Ultimate Invoice WordPress plugin to a version later than 2.2.5.