CVE-2024-3021

Summary

CVE-2024-3021 is a stored Cross-Site Scripting (XSS) vulnerability affecting the Mhr Post Ticker plugin for WordPress. This issue, present in all versions up to 1.1, stems from insufficient input sanitization and output escaping in the Header Title value. Attackers with administrator-level access can exploit this flaw to inject arbitrary web scripts. These scripts will execute whenever a user accesses an injected page, posing a significant threat in multi-site installations and those where unfiltered_html has been disabled.

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