CVE-2026-97164: Joomla Extension - svenbluege.de - Path Traversal in Clear Cache task in Event Gallery extension < 6.5.0

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-27 · updated 2026-10-27
Weakness: CWE-22

Description

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.

Affected products

svenbluege.de Event Gallery for Joomla: before 6.5.0 — fixed in 6.5.0
svenbluege.de Event Gallery for Joomla: 1.0.0-6.0.0

How to fix

Upgrade to a fixed version: svenbluege.de Event Gallery for Joomla 6.5.0. Check the vendor advisory for mitigations.

References

https://www.svenbluege.de/

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