CVE-2026-39564 sunshinephotocart CVE debrief

Who should care

Users of Sunshine Photo Cart plugin for WordPress, operators of affected systems, platform administrators, vulnerability management teams, and security teams should be aware of this vulnerability and take necessary actions to secure their installations. Affected operator, platform, vulnerability-management, and security-team impact is significant due to the potential for sensitive data exposure.

Technical summary

The vulnerability is an Insertion of Sensitive Information Into Sent Data issue in Sunshine Photo Cart plugin for WordPress, allowing attackers to retrieve embedded sensitive data. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Affected product context indicates that the plugin handles sensitive information improperly, leading to potential exposure. Defensive impact is significant, as sensitive data could be compromised. Source-grounded technical framing emphasizes the need for secure handling of sensitive information.

Defensive priority

Medium priority due to the potential for sensitive data exposure. Defensive measures should focus on securing plugin deployments, monitoring for suspicious activity, and implementing compensating controls to detect and prevent sensitive data exposure.

Recommended defensive actions

• Update Sunshine Photo Cart plugin to version 3.6.2 or later
• Review and monitor plugin usage for suspicious activity
• Implement compensating controls to detect and prevent sensitive data exposure
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance

Evidence notes

Evidence is limited, and further investigation is required to fully understand the vulnerability and its impact. The CVE record was published on 2026-04-08T09:16:27.637Z and was last modified on 2026-07-24T21:10:00.143Z. Affected product deployments should be confirmed to exist in managed environments, and an owner should be assigned for follow-up. The official advisory or CVE record should be reviewed to validate affected scope, severity, and vendor guidance.

Official resources