CVE-2025-15674 Passster CVE debrief

Who should care

Users of the Passster WordPress plugin, particularly those with low-privilege accounts holding the edit_posts capability, should be aware of this vulnerability and take steps to protect their content. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The Passster WordPress plugin before 4.3.7 does not restrict low-privilege users holding the edit_posts capability from reading globally password-protected content through the WordPress core REST API when global protection is enabled, allowing any Contributor or higher to read the content of protected pages and posts without knowing the password. This vulnerability has a low CVSS score of 2.7 and requires high privileges to exploit. The vulnerability affects the Passster WordPress plugin, which is used to protect content with passwords. The plugin's lack of restrictions on low-privilege users allows them to access protected content, potentially leading to unauthorized information disclosure.

Defensive priority

Low priority, as the vulnerability has a low CVSS score of 2.7 and requires high privileges to exploit.

Recommended defensive actions

• Verify the Passster WordPress plugin version and update to 4.3.7 or later if necessary.
• Restrict the edit_posts capability to trusted users only.
• Monitor for suspicious activity related to the Passster WordPress plugin.
• 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.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The Passster WordPress plugin before 4.3.7 does not restrict low-privilege users holding the edit_posts capability from reading globally password-protected content through the WordPress core REST API when global protection is enabled. Evidence is limited, but the CVE record and NVD detail provide some information about the vulnerability. Further verification is needed to determine the full scope of the vulnerability. The vulnerability has a low CVSS score of 2.7 and requires high privileges to exploit. Users should verify the Passster WordPress plugin version and update to 4.3.7 or later if necessary. They should also restrict the edit_posts capability to trusted users only and monitor for suspicious activity related to the Passster WordPress plugin.

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.