WPXPO PostX Plugin up to 4.1.36 on WordPress authorization

Summaryinfo

A vulnerability has been found in WPXPO PostX Plugin up to 4.1.36 on WordPress and classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes authorization. The identification of this vulnerability is CVE-2025-54751. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in WPXPO PostX Plugin up to 4.1.36 on WordPress. Affected by this vulnerability is an unknown part. 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 confidentiality, integrity, and availability. The summary by CVE is:

Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 4.1.36.

The weakness was shared by Abu Hurayra. The advisory is shared at vdp.patchstack.com. This vulnerability is known as CVE-2025-54751 since 07/28/2025. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/18/2025).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• WPXPO

Name

• PostX Plugin

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.1.13
• 4.1.14
• 4.1.15
• 4.1.16
• 4.1.17
• 4.1.18
• 4.1.19
• 4.1.20
• 4.1.21
• 4.1.22
• 4.1.23
• 4.1.24
• 4.1.25
• 4.1.26
• 4.1.27
• 4.1.28
• 4.1.29
• 4.1.30
• 4.1.31
• 4.1.32
• 4.1.33
• 4.1.34
• 4.1.35
• 4.1.36

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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