Advance Guest Post Plugin up to 1.9 on WordPress Media Attachment Deletion authorization

Summaryinfo

A vulnerability identified as critical has been detected in Advance Guest Post Plugin up to 1.9. This issue affects some unknown processing of the component Media Attachment Deletion. This manipulation causes authorization. This vulnerability is tracked as CVE-2026-118065. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Advance Guest Post Plugin up to 1.9. Affected by this vulnerability is some unknown functionality of the component Media Attachment Deletion. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity, and availability. The summary by CVE is:

The Advance Guest Post WordPress plugin through 1.9 does not perform any authorization or ownership check when deleting media attachments, relying only on a nonce exposed to every site visitor, allowing unauthenticated users to permanently delete arbitrary Media Library attachments and their files.

It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2026-118065 since 10/27/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Name

• Advance Guest Post Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9

CPE 2.3info

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CPE 2.2info

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