A vulnerability was found in WP Maintenance up to 5.0.5 on WordPress (WordPress Plugin). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Maintenance Mode. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity. The summary by CVE is:

A flaw in the WordPress plugin, WP Maintenance before 5.0.6, allowed attackers to enable a vulnerable site's maintenance mode and inject malicious code affecting site visitors. There was CSRF with resultant XSS.

The weakness was published 12/26/2019. This vulnerability is known as CVE-2019-19979 since 12/26/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 5.0.6 eliminates this vulnerability.

Similar entries are available at VDB-233122, VDB-247921, VDB-249782 and VDB-250762.

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Type

• WordPress Plugin

Name

• WP Maintenance

Version

• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5

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