CVE-2026-65516 HIGH

CVE-2026-65516: WordPress PeproDev Ultimate Invoice plugin <= 2.2.6 - Server Side Request Forgery (SSRF) vulnerability

Vendor Pepro Dev. Group

Product PeproDev Ultimate Invoice

Weakness CWE-918 · SSRF

Published July 23, 2026

Last update July 23, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

Unauthenticated Server Side Request Forgery (SSRF) in PeproDev Ultimate Invoice <= 2.2.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

PeproDev Ultimate Invoice versions up to 2.2.6 contain a server-side request forgery vulnerability that allows unauthenticated attackers to make the server send HTTP requests to internal or external systems. An attacker can read sensitive data or perform actions on behalf of the server without user interaction. The scope is changed, meaning the impact may extend beyond the vulnerable component itself.

What an attacker can do

03Attacker Capabilities

Make the server send HTTP requests to internal systems or external URLs to read data or perform unauthorized actions.

Potential impact on your site

04Site Impact

Attackers can access internal services, read sensitive data, or trigger actions on connected systems without your knowledge.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

July 23, 2026 CVE published

July 23, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-65516 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/918.html AskarLabs — CWE-918 write-up Server-Side Request Forgery

Related vulnerabilities

Identifiers

CVE CVE-2026-65516

CWE CWE-918

CVSS 7.2 / HIGH

Affected versions