CVE-2025-52204

MEDIUM

Znuny::ITSM 6.5.x - Cross-Site Scripting via OTRSCustomerInterface Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-52204. PoCs published by j0qq3r.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2025-52204, a reflected XSS vulnerability in Znuny's customer.pl endpoint. It includes vulnerability details, affected versions, and mitigation guidance but does not contain functional exploit code.

Description

A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter

Exploits (1)

nomisec WRITEUP
by j0qq3r · poc
https://github.com/j0qq3r/CVE-2025-52204

This repository provides a detailed technical analysis of CVE-2025-52204, a reflected XSS vulnerability in Znuny's customer.pl endpoint. It includes vulnerability details, affected versions, and mitigation guidance but does not contain functional exploit code.

Classification
Writeup 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Znuny 6.5.9, 7.1.3, 7.0.11, 7.2.x
No auth needed
Prerequisites: Access to the public customer-facing interface · Crafted GET request
devstral-2 · analyzed May 03, 2026 Full analysis →

References (4)

Core 4

Scores

CVSS v3 6.1
EPSS 0.0029
EPSS Percentile 20.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Published Mar 23, 2026
Tracked Since Mar 24, 2026