### Summary
An exploitable XSS vulnerability exists in the filter functionality of the delayed_job_web rails gem version 1.4. A specially crafted URL can cause an XSS flaw resulting in an attacker being able to execute arbitrary javascript on the victim’s browser. An attacker can phish an authenticated user to trigger this vulnerability.
### Tested Versions
delayed_job_web 1.4
### Product URLs
https://github.com/ejschmitt/delayed_job_web
https://rubygems.org/gems/delayed_job_web/versions/1.4
### CVSSv3 Score
6.1 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
### CWE
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
### Details
The delayed_job_web gem allows users to filter output based on the query string of the GET request. This looks similar to.
```
localhost:3000/delayed_job/overview?queues=">+<script>alert(1)<%2Fscript>
```
This URL can them be used to phish an authenticated user and execute arbitrary javascript on their behalf. This vulnerability is caught by the built in XSS protections of Safari and Chrome., however it is exploitable using Firefox.
### Timeline
* 2017-09-20 - Vendor Disclosure
* 2018-01-09 - Public Release
京公网安备 11010502034610号
暂无评论