CVE-2026-64872 regularlabs.com CVE debrief

Who should care

Joomla site administrators and defenders should assess exposure and prioritize updating the Cache Cleaner Pro extension to prevent potential path traversal attacks.

Why it matters

CVE-2026-64872 is a path traversal vulnerability in the Cache Cleaner Pro extension for Joomla, allowing custom purge and log paths to escape the site webroot directory. Defenders should prioritize verifying and updating the extension to prevent potential path traversal attacks. Joomla site administrators should assess exposure and take action to prevent unauthorized access to sensitive files and directories.

• Path traversal attacks could lead to unauthorized access to sensitive files and directories.
• Successful exploitation could result in data breaches or site compromise.
• Defenders should verify and update the Cache Cleaner Pro extension to prevent potential attacks.
• Remediation priority is medium due to the CVSS score of 6.5.

Technical summary

The Cache Cleaner Pro extension for Joomla is vulnerable to path traversal, allowing custom purge and log paths to escape the site webroot directory. This issue is tracked as CVE-2026-64872 and has a CVSS score of 6.5. The vulnerability could lead to unauthorized access to sensitive files and directories, and defenders should prioritize verifying and updating the Cache Cleaner Pro extension to prevent potential path traversal attacks.

Defensive priority

Defenders should prioritize verifying and updating the Cache Cleaner Pro extension to prevent potential path traversal attacks.

Recommended defensive actions

• Verify the Cache Cleaner Pro extension version and update to a fixed version if available.
• Review custom purge and log paths to ensure they do not escape the site webroot directory.
• Monitor for potential path traversal attacks on the Joomla site.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the NVD entry currently listed as Deferred. The vulnerability allows custom purge and log paths to escape the site webroot directory, potentially leading to unauthorized access to sensitive files and directories. Defenders should verify and update the Cache Cleaner Pro extension to prevent potential attacks. The CVE record was published on 2026-07-23T10:16:52.087Z and has not been modified since then

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.