CVE-2026-16602 Details
Description
The Passster WordPress plugin before 4.3.6 does not perform a post-status check before returning post content from an unauthenticated REST endpoint, allowing unauthenticated users to disclose the content of non-public (draft, private, and pending) posts on sites that have a captcha provider configured.
A vulnerability exists in the Passster WordPress plugin in versions prior to 4.3.6. The issue arises because the plugin does not check the post status before delivering content through an unauthenticated REST endpoint. This flaw enables unauthenticated users to access and disclose the contents of non-public posts (draft, private, and pending) on websites that have a captcha provider enabled.
Users are advised to update the Passster WordPress plugin to version 4.3.6 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 5, 2026CISA-ADP
Assessed Aug 5, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/fcca0d1c-1a5b-4515-8182-d68f0759b978/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Passster | < 4.3.6 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 5, 2026 | CVE Modified | CISA-ADP |
| Aug 5, 2026 | New CVE Received | [email protected] |