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4.3
Reading progressbar WordPress Plugin: Admin Privileges Exploit via Stored Malicious Code
CVE-2026-2687
Summary
A security issue in the Reading progressbar WordPress plugin could allow an admin user to inject malicious code into the website, potentially taking control of the site. This could happen even if the site has strict security settings in place. WordPress users who have the Reading progressbar plugin installed should update to version 1.3.1 or higher to fix this issue.
Original title
The Reading progressbar WordPress plugin before 1.3.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting ...
Original description
The Reading progressbar WordPress plugin before 1.3.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
Published: 12 Mar 2026 · Updated: 13 Mar 2026 · First seen: 12 Mar 2026