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{}

{"analysis": {"en": {"generated_at": "2026-04-15T19:08:58.229830+00:00", "value": {"mitigation_remediation": ["Upgrade the WP Hello Bar plugin to a version newer than 1.02. If a newer release is unavailable, remove or disable the plugin entirely to eliminate the vulnerable input fields.", "Sanitize or clear any existing data stored in the 'digit_one' and 'digit_two' fields in the WordPress database to remove previously injected scripts.", "Implement site\u2011wide output escaping and a content\u2011security\u2011policy header to mitigate the impact of any remaining XSS vectors in the plugin."], "summary": {"action": "Immediate Patch", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "The vulnerability affects any WordPress installation running the WP Hello Bar plugin up to and including version 1.02, distributed by Norcross. Sites that have installed this version, either directly from the WordPress plugin repository or via the provided zip archive, are susceptible. All users of such installations are potentially exposed if the plugin\u2019s forms are used.", "description_and_impact": "The WP Hello Bar plugin allows authenticated users with administrator privileges to insert arbitrary scripts via the 'digit_one' and 'digit_two' input parameters. Because the plugin does not sanitize or escape these fields upon output, the injected scripts become stored XSS payloads that execute whenever any user loads a page containing the affected data. This flaw enables attackers to compromise the browsers of site visitors and potentially steal credentials or perform other malicious actions.", "risk_and_exploitability": "The CVSS score is 4.4, indicating moderate severity, and the EPSS score is below 1\u202f%, suggesting a low probability of widespread exploitation. The vulnerability is not listed in the CISA KEV catalog. Attackers must possess administrator-level access to the WordPress site to inject the malicious payload, but once injected the script runs in any visitor\u2019s browser regardless of authentication. The combination of limited privilege requirements and the ability to persistently affect users raises the overall risk level for environments running the affected plugin version."}}}}, "created": "2026-01-20T08:40:05.308846+00:00", "updated": "2026-04-15T19:15:12.080355+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress"]}