CVE-2026-65510 HIGH

CVE-2026-65510: WordPress PeproDev Ultimate Invoice plugin <= 2.2.6 - Cross Site Scripting (XSS) vulnerability

Vendor Pepro Dev. Group
Product PeproDev Ultimate Invoice
Weakness CWE-79 · XSS
Published July 23, 2026
Last update July 23, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) 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 cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session data, credentials, or perform unauthorized actions.

Potential impact on your site

04Site Impact

Users of PeproDev Ultimate Invoice are at risk of account compromise, data theft, and unauthorized transactions if they visit attacker-controlled links.

Conditions required to exploit

05Prerequisites

The victim must visit a malicious link or page crafted by the attacker while logged into or viewing the vulnerable application.

Key dates

06Disclosure timeline

July 23, 2026 CVE published

Related vulnerabilities

08Related CVE