Information Disclosure Vulnerability in PeproDev Ultimate Invoice Plugin for WordPress
CVE-2026-2343

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Peprodev Ultimate Invoice
Vendor
CVE Published:
25 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2343?

The PeproDev Ultimate Invoice plugin for WordPress versions up to 2.2.5 has an information disclosure vulnerability due to its bulk download feature. This feature generates ZIP archives that contain exported invoice PDFs with predictably named files. This predictability enables attackers to perform brute force attempts to access these archives, potentially exposing personally identifiable information (PII) of users.

Affected Version(s)

PeproDev Ultimate Invoice 0 <= 2.2.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2343 - Proof of Concept

References

https://wpscan.com/vulnerability/ac1572ca-7994-401d-a268-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ashkan Moghaddas
WPScan
.