CVE-2025-11184Public exploitNetwork attack vector

Stored XSS via unsafe group descriptions

Published Oct 13, 2025 · Updated Oct 13, 2025

Stored XSS in QWC Services QWC Registration GUI before 2025.09.30 allows remote authenticated users to execute JavaScript in other users' browsers. src/templates/registration.html applies Jinja's safe filter to registrable-group descriptions, rendering stored input without encoding or sanitization. Exploitation requires permission to edit registrable groups and a victim to open the registration page; the script runs in that victim's browser.

CVSS severity6.9
Medium
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in QWC Services QWC Registration GUI before 2025.09.30 allows remote authenticated users to execute JavaScript in other users' browsers. src/templates/registration.html applies Jinja's safe filter to registrable-group descriptions, rendering stored input without encoding or sanitization. Exploitation requires permission to edit registrable groups and a victim to open the registration page; the script runs in that victim's browser.

The record

CVE
CVE-2025-11184
Published
Oct 13, 2025
Updated
Oct 13, 2025
Vendor
QWC Services
Product
QWC Registration GUI
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=v2025.03.31

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

QWC Services · QWC Registration GUIversion=0 <=v2025.03.31

Published CVSS scores

6.9Switzerland Government Common Vulnerability ProgramCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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