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CVE-2021-24765

Perfect Survey < 1.5.2 - Unauthenticated Stored Cross-Site Scripting

The Perfect Survey WordPress plugin through 1.5.2 does not validate and escape the X-Forwarded-For header value before outputting it in the statistic page when the Anonymize IP setting of a survey is turned off, leading to a Stored Cross-Site Scripting issue

CVSS 3.1 · 6.1 Medium EPSS 1.4% KEV · Not listed
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CVE-2021-24764

Perfect Survey < 1.5.2 - Reflected Cross-Site Scripting

The Perfect Survey WordPress plugin before 1.5.2 does not sanitise and escape multiple parameters (id and filters[session_id] of single_statistics page, type and message of importexport page) before outputting them back in pages/attributes in the admin dashboard, leading to Reflected Cross-Site Scripting issues

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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CVE-2021-24763

Perfect Survey < 1.5.2 - Unauthorised AJAX Call to Stored XSS / Survey Settings Update

The Perfect Survey WordPress plugin before 1.5.2 does not have proper authorisation nor CSRF checks in the save_global_setting AJAX action, allowing unauthenticated users to edit surveys and modify settings. Given the lack of sanitisation and escaping in the settings, this could also lead to a Stored Cross-Site Scripting issue which will be executed in the context of a user viewing any survey

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2021-24762

Perfect Survey < 1.5.2 - Unauthenticated SQL Injection

The Perfect Survey WordPress plugin before 1.5.2 does not validate and escape the question_id GET parameter before using it in a SQL statement in the get_question AJAX action, allowing unauthenticated users to perform SQL injection.

CVSS 3.1 · 9.8 Critical EPSS 86.8% KEV · Not listed
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