PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-16983 Gutentor CVE debrief

The Gutentor WordPress plugin before 4.0.6 exposes plaintext passwords of password-protected posts to authenticated users with at least the Subscriber role due to incorrect context restriction on a REST endpoint. This vulnerability allows unauthorized access to sensitive post content, increasing the risk of password misuse. WordPress administrators and security teams should assess exposure, prioritize remediation, and monitor for potential misuse. The CVE record was published on 2026-09-02T06:17:16.547Z and has not been modified since then. Official CVE Program record and NIST NVD detail page provide information on the vulnerability.

Vendor
Gutentor
Product
Gutentor WordPress plugin
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-02
Original CVE updated
2026-09-03
Advisory published
2026-09-02
Advisory updated
2026-09-03

Who should care

WordPress administrators and security teams responsible for Gutentor plugin installations should assess exposure and prioritize remediation.

Why it matters

CVE-2026-16983 exposes plaintext passwords of password-protected posts to authenticated users with at least the Subscriber role in Gutentor WordPress plugin versions before 4.0.6. WordPress administrators and security teams should assess exposure, prioritize remediation, and monitor for potential misuse.

  • Potential unauthorized access to sensitive post content
  • Increased risk of password misuse
  • Need for inventory checks and version verification
  • Priority for remediation and monitoring

Technical summary

The Gutentor WordPress plugin before 4.0.6 does not apply correct context restriction to a REST endpoint, allowing authenticated users with at least the Subscriber role to access plaintext passwords of password-protected posts. This vulnerability can lead to unauthorized access to sensitive post content and increase the risk of password misuse. WordPress administrators and security teams should assess exposure and prioritize remediation.

Defensive priority

Assess exposure and prioritize remediation for Gutentor WordPress plugin versions before 4.0.6.

Recommended defensive actions

  • Assess exposure of Gutentor WordPress plugin versions before 4.0.6
  • Prioritize remediation for affected versions
  • Verify inventory of WordPress installations with Gutentor plugin
  • Monitor for potential misuse of exposed passwords

Evidence notes

Official CVE Program record and NIST NVD detail page provide information on the vulnerability. The CVE record was published on 2026-09-02T06:17:16.547Z and has not been modified since then. The information is based on the supplied source corpus and may not be comprehensive. Further verification is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16983 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16983

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-16983 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16983

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.