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CVE-2026-65764 phoca.cz CVE debrief

The CVE record for CVE-2026-65764 was published on 2026-07-27T09:16:37.790Z and has not been modified since then. The NVD entry is currently Received. This reflected XSS vulnerability exists in Phoca Commander 5.0.0-6.1.1 due to improper validation of user inputs. Users of Joomla Extension - phoca.cz - Phoca Commander 5.0.0-6.1.1 should be aware of this vulnerability and take necessary actions to mitigate it. The CVSS score of 5.1 indicates a medium severity vulnerability.

Vendor
phoca.cz
Product
Phoca Commander extension for Joomla
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-27
Original CVE updated
2026-07-27
Advisory published
2026-07-27
Advisory updated
2026-07-27

Who should care

Users of Joomla Extension - phoca.cz - Phoca Commander 5.0.0-6.1.1, system administrators, security teams, and vulnerability management teams should be aware of this reflected XSS vulnerability and take necessary actions to mitigate it. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

A reflected XSS vulnerability exists in Phoca Commander 5.0.0-6.1.1 due to improper validation of user inputs. This vulnerability allows an attacker to inject malicious code into the application, potentially leading to unauthorized actions or data breaches. Users should apply the vendor's remediation for Phoca Commander 5.0.0-6.1.1 and implement compensating controls such as input validation and output encoding.

Defensive priority

Medium priority given the CVSS score of 5.1 and the potential impact of a reflected XSS vulnerability.

Recommended defensive actions

  • Apply the vendor's remediation for Phoca Commander 5.0.0-6.1.1
  • Implement compensating controls such as input validation and output encoding
  • Monitor for suspicious activity and exception tracking
  • Review system logs for exposed assets that need extra review
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Evidence is limited; verify affected scope and apply vendor remediation. The CVE record was published on 2026-07-27T09:16:37.790Z and has not been modified since then. The NVD entry is currently Received. Users should verify the affected Phoca Commander versions and configurations. Defensive verification tasks include reviewing system logs for suspicious activity and ensuring input validation and output encoding are properly implemented.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-27T09:16:37.790Z and has not been modified since then. The NVD entry is currently Received.