WordPress StageShow <5.0.9 - Open Redirect

mediumseverity

6.4CVSS score

6.2%likelihood of exploitation, next 30 days

94%of all CVEs are less likely

Readycheck to confirm it

WordPress StageShow plugin before 5.0.9 contains an open redirect vulnerability in the Redirect function in stageshow_redirect.php. A remote attacker can redirect users to arbitrary web sites and conduct phishing attacks via a malicious URL in the url parameter.

Impact

An attacker can trick users into visiting a malicious website, leading to potential phishing attacks.

Fix

Update to the latest version of the WordPress StageShow plugin (5.0.9 or higher) to fix the open redirect vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wp-content/plugins/stageshow/stageshow_redirect.php?url=http%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-2015-5461 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2015-5461

info:
  name: WordPress StageShow <5.0.9 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: WordPress StageShow plugin before 5.0.9 contains an open redirect vulnerability in the Redirect function in stageshow_redirect.php. A remote attacker can redirect users to arbitrary web sites and conduct phishing attacks via a malicious URL in the url parameter.
  impact: |
    An attacker can trick users into visiting a malicious website, leading to potential phishing attacks.
  remediation: |
    Update to the latest version of the WordPress StageShow plugin (5.0.9 or higher) to fix the open redirect vulnerability.
  reference:
    - https://wpscan.com/vulnerability/afc0d5b5-280f-424f-bc3e-d04452e56e16
    - https://wordpress.org/plugins/stageshow/changelog/
    - http://seclists.org/fulldisclosure/2015/Jul/27
    - https://nvd.nist.gov/vuln/detail/CVE-2015-5461
    - https://plugins.trac.wordpress.org/changeset/1165310/
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:N
    cvss-score: 6.4
    cve-id: CVE-2015-5461
    cwe-id: NVD-CWE-Other
    epss-score: 0.06238
    epss-percentile: 0.93604
    cpe: cpe:2.3:a:stageshow_project:stageshow:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: stageshow_project
    product: stageshow
    framework: wordpress
    google-query: inurl:"/wp-content/plugins/stageshow/"
  tags: cve2015,cve,wpscan,seclists,redirect,wordpress,wp-plugin,stageshow_project,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/stageshow/stageshow_redirect.php?url=http%3A%2F%2Finteract.sh"

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

References

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