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TI-2026-70325 Aliases CVE-2026-14854GHSA-j5fj-p46h-2j27

Uncontrolled memory allocation in WooCommerce Bookings enables denial of service

Priority LOW 39CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-400.

Summary

The WooCommerce Bookings WordPress plugin before 3.11.0 does not limit a user-supplied value before using it to allocate memory (CWE-400) in one of its unauthenticated AJAX actions. An unauthenticated remote attacker can exhaust server memory with a single request, causing a denial of service. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The WooCommerce Bookings WordPress plugin before 3.11.0 does not limit a user-supplied value before using it to allocate memory in one of its unauthenticated AJAX actions, allowing unauthenticated attackers to exhaust server memory and cause a Denial of Service with a single request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00338 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WooCommerce Bookings (Unknown): 3.11.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWooCommerce Bookingsbefore 3.11.03.11.0Patch availableCNA
  • WooCommerce Bookings VendorUnknown Affected before 3.11.0 Fixed in 3.11.0 Patch available CNA

Remediation

Update WooCommerce Bookings to version 3.11.0 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA WooCommerce Bookings (Unknown) Fixed in 3.11.0

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-14854
  2. 2026-10-11 Alias added: GHSA-j5fj-p46h-2j27

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences