CVE-2026-75948
Received Received - Intake

Authenticated Stored XSS in iCagenda Joomla Extension

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Joomla! Project

Description
Joomla Extension - icagenda.com - Authenticated Stored XSS in iCagenda 4.0.8 to 4.0.12 - The frontend "Submit an Event" form stores the `image` and `file` fields as raw strings with no output-side HTML-attribute escaping.

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Meta Information

Published
2026-08-20
Last Modified
2026-08-20
Generated
2026-08-20
AI Q&A
2026-08-20
EPSS Evaluated
N/A
NVD
CVE-2026-75948
EUVD
EUVD-2026-63216

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
joomlic icagenda From 4.0.8 (inc) to 4.0.12 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This is an Authenticated Stored Cross-Site Scripting (XSS) vulnerability in the iCagenda Joomla extension versions 4.0.8 to 4.0.12. It allows stored XSS via the frontend 'Submit an Event' form where the image and file fields are saved as raw strings without proper HTML attribute escaping on the output side.

Detection Guidance

To detect this vulnerability, inspect Joomla websites using iCagenda 4.0.8 to 4.0.12 for stored XSS in the 'Submit an Event' form. Check if image and file fields are stored as raw strings without HTML escaping. Manually review event submissions for malicious scripts in these fields.

Impact Analysis

An attacker with authenticated access could inject malicious scripts into event submissions. When other users view these events, the scripts execute in their browsers, potentially stealing session cookies, redirecting to phishing pages, or performing actions on behalf of the user.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality principles or HIPAA's safeguards for protected health information. Organizations may face compliance breaches if user data is compromised through this exploit.

Mitigation Strategies

Immediately update iCagenda to the latest patched version. If an update is unavailable, disable the 'Submit an Event' form or restrict user input to prevent raw HTML storage. Implement input validation and output escaping for image and file fields.

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