57 lines
2.2 KiB
YAML
57 lines
2.2 KiB
YAML
id: CVE-2021-29484
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info:
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name: Ghost CMS <=4.32 - Cross-Site Scripting
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author: rootxharsh,iamnoooob
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severity: medium
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description: Ghost CMS 4.0.0 to 4.3.2 contains a DOM cross-site scripting vulnerability. An unused endpoint added during the development of 4.0.0 allows attackers to gain access by getting logged-in users to click a link containing malicious code.
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impact: |
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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 data theft, session hijacking, or defacement of the affected website.
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remediation: This issue has been fixed in 4.3.3.
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reference:
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- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9fgx-q25h-jxrg
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- https://www.npmjs.com/package/ghost
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- https://forum.ghost.org/t/critical-security-update-available-for-ghost-4-x/22290
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- https://nvd.nist.gov/vuln/detail/CVE-2021-29484
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- https://github.com/ARPSyndicate/cvemon
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- https://github.com/TryGhost/Ghost/blob/95651b33a66f3240535a61999b292a725f1b3317/core/server/web/admin/views/preview.html
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- https://www.sonarsource.com/blog/ghost-admin-takeover/
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
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cvss-score: 6.8
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cve-id: CVE-2021-29484
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cwe-id: CWE-79
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epss-score: 0.01483
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epss-percentile: 0.86785
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cpe: cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*
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metadata:
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max-request: 1
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vendor: ghost
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product: ghost
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framework: node.js
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shodan-query: http.component:"ghost"
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tags: cve2021,cve,xss,ghost,node.js
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http:
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- method: GET
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path:
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- "{{BaseURL}}/ghost/preview"
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- 'XMLHttpRequest.prototype.open = XMLHttpRequest.prototype.send'
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- 'top.postMessage('
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condition: and
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- type: word
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part: header
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words:
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- 'text/html'
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- type: status
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status:
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- 200
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# digest: 4b0a00483046022100e0630c32616a3eb31ee9dd8cdcc4e2bef6dba96a63780a1eb9484e931c9c117d022100b0d86d03f68f6141ecba13c522c2444dcf622337c629dc528073c11afc699f1e:922c64590222798bb761d5b6d8e72950 |