CVE-2026-100747
MediumCVSS 5.1Summary
Joomla Extension - svenbluege.de - CSRF in image upload in Event Gallery extension < 6.5.0 - Due to lack of an CSRF token check, a third-party site can upload files to an event and overwrite existing files with the same name.
Risk Assessment
An attacker can upload malicious files or overwrite existing images, potentially leading to defacement or distribution of malicious content. This affects data integrity and may undermine user trust.
Recommendation
Update the Event Gallery extension to version 6.5.0 or later, which includes CSRF protection for image uploads.
Other vulnerabilities in Event Gallery
See all- CVE-2026-97165Medium
Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.
- CVE-2026-97164High
Joomla Extension - svenbluege.de - Authenticated arbitrary path deletion in 'clear cache' task in Event Gallery extension < 6.5.0 - Using the 'images' parameter of the 'cache.process' task, you can recursively delete any directories that the web server is authorized to write to.
- CVE-2026-100749Medium
Joomla Extension - svenbluege.de - CSRF in backend cleanup actions in Event Gallery extension < 6.5.0 - Only orphaned file entries and shopping carts that are older than 30 days will be deleted.
- CVE-2026-100748Medium
Joomla Extension - svenbluege.de - CSRF in various cart actions in Event Gallery extension < 6.5.0
Original NVD description (English source)
Joomla Extension - svenbluege.de - CSRF in image upload in Event Gallery extension < 6.5.0 - Due to lack of an CSRF token check, a third-party site can upload files to an event and overwrite existing files with the same name.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS