CVE-2026-14854 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00156.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://wpscan.com/vulnerability/7b6aeaed-7600-4cf9-ba43-8a6fefb1a244/

History

Sun, 11 Oct 2026 12:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-400
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sun, 11 Oct 2026 08:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-770

Sun, 11 Oct 2026 06:30:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service
References		https://wpscan.com/vulnerability/7b6aeaed-7600-4cf9-ba43-8a6fefb1a244/

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-10-11T06:00:10.284Z

Updated: 2026-10-11T11:32:46.642Z

Reserved: 2026-07-06T11:54:59.754Z

Link: CVE-2026-14854

Vulnrichment

Updated: 2026-10-11T11:28:18.875Z

NVD

Status : Received

Published: 2026-10-11T07:17:24.003

Modified: 2026-10-11T12:16:53.557

Link: CVE-2026-14854

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-10-11T08:15:17Z

Weaknesses

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14854", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-07-06T11:54:59.754Z", "datePublished": "2026-10-11T06:00:10.284Z", "dateUpdated": "2026-10-11T11:32:46.642Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-10-11T06:00:10.284Z"}, "title": "WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service", "problemTypes": [{"descriptions": [{"description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "WooCommerce Bookings", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "3.11.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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."}], "references": [{"url": "https://wpscan.com/vulnerability/7b6aeaed-7600-4cf9-ba43-8a6fefb1a244/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Mike Gozdiskowski", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-14854", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-11T11:27:58.704597Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-11T11:32:46.642Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14854", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-07-06T11:54:59.754Z", "datePublished": "2026-10-11T06:00:10.284Z", "dateUpdated": "2026-10-11T11:32:46.642Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-10-11T06:00:10.284Z"}, "title": "WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service", "problemTypes": [{"descriptions": [{"description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "WooCommerce Bookings", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "3.11.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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."}], "references": [{"url": "https://wpscan.com/vulnerability/7b6aeaed-7600-4cf9-ba43-8a6fefb1a244/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Mike Gozdiskowski", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-14854", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-11T11:27:58.704597Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-11T11:28:18.875Z"}}]}}