XSS Vulnerability in Storytlr


Advisory by Netsparker (now Invicti)
Name: XSS Vulnerability in Storytlr
Software: Storyltr 1.3.dev and possibly below.
Vendor Homepage: http://storytlr.org/
Vulnerability Type: Cross-site Scripting
Severity: Critical
Researcher: Omar Kurt
Advisory Reference: NS-14-025


Storytlr is an open source lifestreaming and micro blogging platform. You can use it for a single user or it can act as a host for many people all from the same installation.


Storyltr is affected by XSS vulnerability 1.3.dev.
Storyltr PoC urls are as follows:

  • Cross-site Scripting
    http://example.net/archives/{{PoC}}/3 – (URLRewrite)
    ><body onload=alert(9)> (PoC)

Learn more about Cross-site Scripting vulnerabilities:


Developer never got back to us hence no solution has been provided till this day.

Advisory Timeline

05/04/2014 – First Contact
23/04/2014 – Second Contact
21/07/2014 – Advisory released


It has been discovered on testing of Invicti Web Application Security Scanner.

About Invicti

Invicti® can find and report security issues such as SQL Injection and Cross-site Scripting (XSS) in all web applications regardless of the platform and the technology they are built on. Invicti’s unique detection and exploitation techniques allows it to be dead accurate in reporting hence it’s the first and the only False Positive Free web application security scanner.