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PatchSiren cyber security CVE debrief

CVE-2026-14853 WooCommerce CVE debrief

The WooCommerce Bookings WordPress plugin before 3.9.0 does not perform a capability check on one of its AJAX actions, and its nonce check can be bypassed by omitting the token, allowing users with Subscriber-level access and above to create draft bookable products. This vulnerability allows users with Subscriber-level access to create draft bookable products, which could lead to unauthorized changes to the website's content. Defenders should verify the version of the plugin and monitor for suspicious activity.

Vendor
WooCommerce
Product
Bookings
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-23
Original CVE updated
2026-10-12
Advisory published
2026-08-23
Advisory updated
2026-10-12

Who should care

Defenders responsible for WordPress installations with the WooCommerce Bookings plugin should verify the version of the plugin and ensure that it is updated to 3.9.0 or later. Additionally, defenders should monitor for any suspicious activity related to the creation of draft bookable products.

Why it matters

The WooCommerce Bookings plugin vulnerability allows users with Subscriber-level access to create draft bookable products, which could lead to unauthorized changes to the website's content. Defenders should verify the version of the plugin and monitor for suspicious activity.

  • Defenders should verify the version of the WooCommerce Bookings plugin and ensure that it is updated to 3.9.0 or later to prevent unauthorized creation of draft bookable products.
  • Defenders should monitor for suspicious activity related to the creation of draft bookable products to detect potential exploitation.
  • The vulnerability allows users with Subscriber-level access and above to create draft bookable products, which could lead to unauthorized changes to the website's content.

Technical summary

The WooCommerce Bookings WordPress plugin before 3.9.0 does not perform a capability check on one of its AJAX actions, and its nonce check can be bypassed by omitting the token, allowing users with Subscriber-level access and above to create draft bookable products. The vulnerability allows users with Subscriber-level access and above to create draft bookable products, which could lead to unauthorized changes to the website's content. Defenders should prioritize verifying the version of the WooCommerce Bookings plugin and ensuring that it is updated to 3.9.0 or later.

Defensive priority

Defenders should prioritize verifying the version of the WooCommerce Bookings plugin and ensuring that it is updated to 3.9.0 or later. Additionally, defenders should monitor for any suspicious activity related to the creation of draft bookable products.

Recommended defensive actions

  • Verify the version of the WooCommerce Bookings plugin and update to 3.9.0 or later
  • Monitor for suspicious activity related to the creation of draft bookable products
  • Restrict access to the plugin's AJAX actions to authorized users only
  • 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 record and NVD vulnerability detail page provide information about the vulnerability, but the exact scope of affected versions and exploitation is not clear. Defenders should verify the version of the plugin and monitor for suspicious activity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-14853 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-14853

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

  • CVE-2026-14853 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-14853

    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.