The Arvow AI SEO Writer WordPress plugin before 1.5.4 does not properly restrict access to one of its REST endpoints, whose only access control can be bypassed by unauthenticated users through type juggling when the Arvow AI SEO Writer WordPress plugin before 1.5.4 has not been configured, allowing them to create arbitrary posts and pages and to disclose author account and taxonomy information.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 13 Aug 2026 10:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-284

Tue, 11 Aug 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 10 Aug 2026 08:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-284

Mon, 10 Aug 2026 06:45:00 +0000

Type Values Removed Values Added
Description The Arvow AI SEO Writer WordPress plugin before 1.5.4 does not properly restrict access to one of its REST endpoints, whose only access control can be bypassed by unauthenticated users through type juggling when the Arvow AI SEO Writer WordPress plugin before 1.5.4 has not been configured, allowing them to create arbitrary posts and pages and to disclose author account and taxonomy information.
Title Arvow AI SEO Writer < 1.5.4 - Unauthenticated Arbitrary Post Creation via Webhook Secret Type-Juggling
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-11T20:14:09.557Z

Reserved: 2026-07-20T08:27:04.142Z

Link: CVE-2026-16257

cve-icon Vulnrichment

Updated: 2026-08-11T20:14:06.478Z

cve-icon NVD

Status : Received

Published: 2026-08-10T07:16:47.933

Modified: 2026-08-11T21:17:28.143

Link: CVE-2026-16257

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T11:45:03Z

Weaknesses