Stored XSS via File Upload in star7th/showdoc in star7th/showdoc


Reported on

Mar 14th 2022


Stored XSS via uploading file in .properties format.

Proof of Concept



Steps to Reproduce

  1. Login into
  2. Navigate to file library (
  3. In the File Library page, click the Upload button and choose the file.
  4. After uploading the file, click on the check button to open that file in a new tab.
  5. XSS will trigger when the attachment is opened in a new tab.



An attacker can perform social engineering on users by redirecting them from a real website to a fake one. a hacker can steal their cookies etc.

We are processing your report and will contact the star7th/showdoc team within 24 hours. 2 years ago
Akshay Ravi modified the report
2 years ago
Akshay Ravi modified the report
2 years ago
star7th validated this vulnerability 2 years ago
akshayravic09yc47 has been awarded the disclosure bounty
The fix bounty is now up for grabs
star7th marked this as fixed in 2.4.10 with commit 3caa32 2 years ago
star7th has been awarded the fix bounty
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