WordPress PhastPress <1.111 - Open Redirect

mediumseverity

6.1CVSS score

3.1%likelihood of exploitation, next 30 days

88%of all CVEs are less likely

Readycheck to confirm it

WordPress PhastPress plugin before 1.111 contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.

Impact

An attacker can exploit this vulnerability to redirect users to malicious websites, leading to potential phishing attacks or the execution of other malicious activities.

Fix

Update the WordPress PhastPress plugin to version 1.111 or later to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wp-content/plugins/phastpress/phast.php?service=scripts&src=https%3A%2F%2Finteract.sh
Positive when: matches in header /(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$/

Run it with nuclei: nuclei -id CVE-2021-24210 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-24210

info:
  name: WordPress PhastPress <1.111 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: |
    WordPress PhastPress plugin before 1.111 contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to potential phishing attacks or the execution of other malicious activities.
  remediation: |
    Update the WordPress PhastPress plugin to version 1.111 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/9b3c5412-8699-49e8-b60c-20d2085857fb
    - https://plugins.trac.wordpress.org/changeset/2497610/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24210
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2021-24210
    cwe-id: CWE-601
    epss-score: 0.03052
    epss-percentile: 0.87682
    cpe: cpe:2.3:a:kiboit:phastpress:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: kiboit
    product: phastpress
    framework: wordpress
  tags: cve2021,cve,redirect,wpscan,wordpress,kiboit,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/phastpress/phast.php?service=scripts&src=https%3A%2F%2Finteract.sh"

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$'

References

Use this check only on systems you are authorised to test. Where the data comes from