Subscriber XSS in EventPrime Plugin

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Subscriber Cross Site Scripting (XSS) in EventPrime <= 4.3.2.1 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-05

NVD

CVE-2026-42686

Affected Vendors & Products

Vendor	Product	Version / Range
patchstack	eventprime	to 4.3.2.1 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Subscriber Cross Site Scripting (XSS) issue found in EventPrime versions up to and including 4.3.2.1.

Impact Analysis

The vulnerability can lead to an attacker injecting malicious scripts that affect the integrity of the application. According to the CVSS score, it has a high impact on availability and a low impact on integrity, meaning it can cause significant disruption or denial of service while potentially altering data.

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