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CVE-2021-36867: WordPress Psychological tests & quizzes plugin <= 0.21.19 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-26 · updated 2026-06-17
• Weakness: CWE-79

Description

Stored Cross-Site Scripting (XSS) vulnerability in Alexander Ustimenko's Psychological tests & quizzes plugin <= 0.21.19 on WordPress possible for users with contributor or higher user rights.

Affected products

• Alexander Ustimenko Psychological tests & quizzes (WordPress plugin): through 0.21.19

References

• https://patchstack.com/database/vulnerability/wp-testing/wordpress-psychological-tests-quizzes-plugin-0-21-19-authenticated-stored-cross-site-scripting-xss-vulnerability
• https://wordpress.org/plugins/wp-testing/
• https://patchstack.com/database/vulnerability/wp-testing/wordpress-psychological-tests-quizzes-plugin-0-21-19-authenticated-stored-cross-site-scripting-xss-vulnerability
• https://wordpress.org/plugins/wp-testing/

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