Description
The Advance Guest Post WordPress plugin through 1.9 does not properly validate uploaded files, relying on a case-sensitive and incomplete extension check that unauthenticated users can trivially bypass, allowing them to upload arbitrary files, including executable PHP variants, into a web-reachable directory, which can lead to remote code execution depending on the server configuration.
Published: 2026-11-13
Score: n/a
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Advisories

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History

Fri, 13 Nov 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Advance Guest Post WordPress plugin through 1.9 does not properly validate uploaded files, relying on a case-sensitive and incomplete extension check that unauthenticated users can trivially bypass, allowing them to upload arbitrary files, including executable PHP variants, into a web-reachable directory, which can lead to remote code execution depending on the server configuration.
Title Advance Guest Post <= 1.9 - Unauthenticated Arbitrary File Upload via gallery_action
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-11-13T06:00:06.947Z

Reserved: 2026-10-27T15:38:33.514Z

Link: CVE-2026-118063

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-13T06:16:52.807

Modified: 2026-11-13T06:16:52.807

Link: CVE-2026-118063

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.