PeproDev Ultimate Invoice <= 2.2.6 - Unauthenticated Server-Side Request Forgery

7.2
Server-Side Request Forgery (SSRF)
CVE CVE-2026-65516
CVSS 7.2 (High)
Publicly Published July 23, 2026
Last Updated July 29, 2026
Researcher longnv719

Description

The PeproDev Ultimate Invoice plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.2.6. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application which can be used to query and modify information from internal services.

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Vulnerability Details for PeproDev Ultimate Invoice

Software Type Plugin
Software Slug pepro-ultimate-invoice (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 2.2.6

Recent vulnerabilities in PeproDev Ultimate Invoice

# Title CVE ID CVSS Researchers Date
1 PeproDev Ultimate Invoice <= 2.2.6 - Unauthenticated Stored Cross-Site Scripting CVE-2026-65510 7.2 hhhai July 23, 2026
2 PeproDev Ultimate Invoice <= 2.2.6 - Missing Authorization CVE-2026-65499 5.3 babyhack July 23, 2026
3 PeproDev Ultimate Invoice <= 2.2.6 - Unauthenticated Information Exposure CVE-2026-27372 5.3 Derrick Gilliland July 23, 2026
4 PeproDev Ultimate Invoice < 2.2.6 - Unauthenticated Information Exposure CVE-2026-2343 7.5 Ashkan Moghaddas March 27, 2026
5 PeproDev Ultimate Invoice <= 2.0.9 - Insecure Direct Object Reference to Unauthenticated Order Information Exposure CVE-2024-13719 5.3 Tim Coen February 18, 2025
6 PeproDev Ultimate Invoice <= 2.0.6 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-49298 6.4 LVT-tholv2k October 15, 2024
7 PeproDev Ultimate Invoice <= 2.0.0 - Missing Authorization CVE-2024-32518 5.3 Abdi Pranata April 15, 2024
8 PeproDev Ultimate Invoice <= 1.9.7 - Unauthenticated Sensitive Information Exposure via init_plugin CVE-2024-25933 7.5 Abdi Pranata February 20, 2024

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