CVSS 3.1 Score 4.4 of 10 (medium)


Published May 2, 2024


CVE-2024-3021 is a vulnerability affecting the Mhr Post Ticker plugin for WordPress. This vulnerability is classified as a Stored Cross-Site Scripting (XSS) and exists in all versions up to and including 1.1 of the plugin. The vulnerability is caused by insufficient input sanitization and output escaping, allowing authenticated attackers with administrator-level access to inject arbitrary web scripts into pages. The injected scripts will execute whenever a user accesses an affected page. It should be noted that this vulnerability only affects multi-site installations and installations where unfiltered_html has been disabled. To remediate this vulnerability, users should update the Mhr Post Ticker plugin to the latest version available. Failure to address this issue can pose a medium level danger to organizations as it can lead to unauthorized execution of malicious scripts, potentially compromising the integrity and confidentiality of data on affected websites or networks.

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