CVE-2026-97164 svenbluege.de CVE debrief

Who should care

Joomla site administrators, security teams, and users with access to the Event Gallery extension should assess exposure and prioritize remediation due to the potential for data loss, privilege escalation, or service disruption. The vulnerability has a CVSS score of 7, indicating high severity.

Why it matters

This vulnerability allows authenticated users to delete arbitrary directories, potentially leading to data loss, privilege escalation, or service disruption. Joomla site administrators and security teams should assess exposure and prioritize remediation.

• Potential data loss or corruption due to arbitrary directory deletion
• Increased risk of privilege escalation or unauthorized access
• Possible disruption of service or website functionality

Technical summary

The Joomla Event Gallery extension < 6.5.0 has a vulnerability allowing authenticated users to delete arbitrary directories using the 'images' parameter of the 'cache.process' task. This can lead to potential data loss, privilege escalation, or service disruption. The vulnerability has a CVSS score of 7, indicating high severity. Affected users should review and update the extension to version 6.5.0 or later, restrict access to the 'cache.process' task, and monitor for suspicious activity related to directory deletion.

Defensive priority

High priority for Joomla site administrators and security teams

Recommended defensive actions

• Review and update Joomla Event Gallery extension to version 6.5.0 or later
• Restrict access to the 'cache.process' task
• Monitor for suspicious activity related to directory deletion
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in Joomla Event Gallery extension < 6.5.0, allowing authenticated arbitrary path deletion. The vulnerability is confirmed to exist in versions prior to 6.5.0 and can be exploited using the 'images' parameter of the 'cache.process' task. Defenders should verify affected scope, review official advisories, and plan for vendor-supported updates or mitigations.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.