id: CVE-2021-24288 info: name: WordPress AcyMailing <7.5.0 - Open Redirect author: 0x_Akoko severity: medium description: WordPress AcyMailing plugin before 7.5.0 contains an open redirect vulnerability due to improper sanitization of the redirect parameter. An attacker turning the request from POST to GET can craft a link containing a potentially malicious landing page and send it to the user. impact: | An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the installation of malware. remediation: | Update the AcyMailing plugin to version 7.5.0 or later to fix the open redirect vulnerability. reference: - https://wpscan.com/vulnerability/56628862-1687-4862-9ed4-145d8dfbca97 - https://nvd.nist.gov/vuln/detail/CVE-2021-24288 - https://github.com/ARPSyndicate/kenzer-templates - https://github.com/ARPSyndicate/cvemon 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-2021-24288 cwe-id: CWE-601 epss-score: 0.00137 epss-percentile: 0.48509 cpe: cpe:2.3:a:acymailing:acymailing:*:*:*:*:*:wordpress:*:* metadata: max-request: 1 vendor: acymailing product: acymailing framework: wordpress tags: cve,cve2021,wpscan,wordpress,redirect,wp-plugin,acymailing http: - method: GET path: - "{{BaseURL}}/index.php?page=acymailing_front&ctrl=frontusers&noheader=1&user[email]=example@mail.com&ctrl=frontusers&task=subscribe&option=acymailing&redirect=https://interact.sh&ajax=0&acy_source=widget%202&hiddenlists=1&acyformname=formAcym93841&acysubmode=widget_acym" matchers: - type: regex part: header regex: - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$' # digest: 4a0a00473045022100dea3cbf54f50326db8a7cbe9c797a7d01e224af22ec2b849fde4047988e95b50022052cd3007e67dc0c21a9cb9d2bb25fce7cf31bb2d63ecfe1d826358cfb03c9983:922c64590222798bb761d5b6d8e72950