Input validation vulnerability in CodeBard's Patron Button and Widgets for Patreon 2.1.8

The CodeBard’s Patron Button and Widgets for Patreon WordPress plugin, up to version 2.1.8, has a security flaw that allows unauthenticated attackers to embed malicious code into pages on the website. The malicious code can then be executed whenever a user visits the page, which can cause damage to the website or the user’s device. This vulnerability exists due to an insufficient check of the ‘site_account’ parameter and the lack of output escaping.

Detected in:

CodeBard's Patron Button and Widgets for Patreon open vulnerable versions: >= * <= 2.1.8

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Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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