CVE-2026-2687
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Lifecycle Timeline
2Description
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).
Analysis
The Reading progressbar WordPress plugin fails to properly clean user inputs in its settings, allowing administrators to inject malicious code that gets stored and executed when other users view the site. This affects WordPress installations using this plugin before version 1.3.1, particularly multisite setups. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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