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PatchSiren cyber security CVE debrief

CVE-2026-86812 WPCafe CVE debrief

The WPCafe WordPress plugin before 3.0.18 does not correctly restrict access to a set of order-management REST endpoints because their permission callbacks return an incorrect type on failure. This allows unauthenticated users to disclose guest order information and to change the status of, or trash, any order. Defenders should assess exposure and prioritize verification and remediation efforts based on the potential impact of unauthorized access to order information and modifications.

Vendor
WPCafe
Product
WPCafe WordPress plugin
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-11
Original CVE updated
2026-09-11
Advisory published
2026-09-11
Advisory updated
2026-09-11

Who should care

Defenders responsible for WordPress installations using the WPCafe plugin should assess exposure and prioritize verification and remediation efforts. This includes reviewing the plugin version, restricting access to order-management REST endpoints, and monitoring for unauthorized changes to order status or trash. Security teams and vulnerability management teams should also be aware of the potential impact of this vulnerability on their systems.

Why it matters

Defenders should prioritize verifying the version of the WPCafe WordPress plugin and restricting access to order-management REST endpoints to prevent unauthorized disclosure of guest order information and changes to order status or trash.

  • Unauthenticated users can disclose guest order information
  • Unauthenticated users can change the status of any order
  • Unauthenticated users can trash any order

Technical summary

The WPCafe WordPress plugin before 3.0.18 does not correctly restrict access to a set of order-management REST endpoints because their permission callbacks return an incorrect type on failure. This allows unauthenticated users to disclose guest order information and to change the status of, or trash, any order. The vulnerability has a CVSS score of 6.5 and is classified as MEDIUM severity. Defenders should prioritize verifying the plugin version and restricting access to these endpoints to prevent unauthorized access.

Defensive priority

Defenders should prioritize verifying the version of the WPCafe WordPress plugin and restricting access to order-management REST endpoints.

Recommended defensive actions

  • Verify the version of the WPCafe WordPress plugin and update to 3.0.18 or later
  • Restrict access to order-management REST endpoints
  • Monitor for unauthorized changes to order status or trash
  • 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 CVE Program record and NVD vulnerability detail page provide information about the vulnerability, including its description and CVSS score. The WPCafe plugin's permission callback failure allows unauthenticated users to access order-management REST endpoints, potentially leading to guest order information disclosure and unauthorized order modifications. Defenders should verify the plugin version and restrict access to these endpoints.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-86812 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-86812

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

  • CVE-2026-86812 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-86812

    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.